四級考試語法真題訓練時態2
21.While people may refer to television for up-to-the-minute news, it is unlikely that
television______ the newspaper completely.
A. will replace B. have replaced C. replace D. replaced
22.The fifth generation computers, with artificial intelligence, _______ and perfected now.
A. developed B. have developed C. are being developed D. will have been developed
23.It s reported that by the end of this month the output of cement in the factory_______ by about
10%.
A. will have risen B. has risen C. will be rising D. has been rising
24.Sir Dennis, who is 78, has made it known that much of his collection ______ to the nation.
A. has left B. is to leave C. leaves D. is to be left
25.Before the first nonstop flight made in 1949, it_______ necessary for all planes to land for
refueling.
A. would be B. has been C. had been D. would have been
26.Until then, his family ______ from him for six months.
A. didn t hear B. hasn t been hearing C. hasn t heard D. hadn t heard
27.The conference_______ a full week by the time it ends.
A. must have lasted B. will have lasted C. would last D. has lasted
28.Great as Newton was, many of his ideas______ today and are being modified by the work of
scientists of our time.
A. are to challenge B. may be challenged C. have been challenged D. are challenging
29.It seems oil______ from this pipe for some time. We ll have to take the machine apart to put it
right.
A. had leaked B. is leaking C. leaked D. has been leaking
30.Once environmental damage ______, it takes many years for the system to recover.
A. has done B. is to do C. does D. is done
31.Neither of the young men who had applied for a position in the university ______.
A. has been accepted B. have been accepted C. was accepted D. were accepted
32.The last half of the nineteenth century______ the steady improvement in the means of travel.
A. has witnessed B. was witnessed C. witnessed D. is witnessed
33.If she doesn t tell him the truth now, he ll simply keep on asking her until she ______.
A. does B. has done C. will do D. would do
34.My train arrives in New York at eight o clock tonight. The plane I would like to take from there_______ by then.
A. would leave B. will have left C. has left D. had left
35.A thief who broke into a church was caught because traces of wax, found on his clothes, _____
from the sort of candles used only in churches.
A. had come B. coming C. come D. that came
36.She ought to stop work; she has a headache because she_______ too long.
A. had read B. read C. is reading D. has been reading
37.--- May I speak to your manager Mr. Williams at five o clock tonight?
--- I m sorry, Mr. Williams______ to a conference long before then.
A. had gone B. would have gone C. has gone D. will have gone
38.The growth of part-time and flexible working patterns, and of training and retraining schemes, ______ more women to take advantage of employment opportunities.
A. allow B. allows C. allowing D. have allowed
39.By the time he arrives in Beijing, we______ here for two days.
A. will have stayed B. shall stay C. have been staying D. have stayed
40.Such crimes may be so complex that months or years go by before anyone _______ them.
A. discovered B. will discover C. would have discovered D. discovers
答案
ACADC DBCDD CCBBA DDBAD
21.While people may refer to television for up-to-the-minute news, it is unlikely that
television______ the newspaper completely.
A. will replace B. have replaced C. replace D. replaced
22.The fifth generation computers, with artificial intelligence, _______ and perfected now.
A. developed B. have developed C. are being developed D. will have been developed
23.It s reported that by the end of this month the output of cement in the factory_______ by about
10%.
A. will have risen B. has risen C. will be rising D. has been rising
24.Sir Dennis, who is 78, has made it known that much of his collection ______ to the nation.
A. has left B. is to leave C. leaves D. is to be left
25.Before the first nonstop flight made in 1949, it_______ necessary for all planes to land for
refueling.
A. would be B. has been C. had been D. would have been
26.Until then, his family ______ from him for six months.
A. didn t hear B. hasn t been hearing C. hasn t heard D. hadn t heard
27.The conference_______ a full week by the time it ends.
A. must have lasted B. will have lasted C. would last D. has lasted
28.Great as Newton was, many of his ideas______ today and are being modified by the work of
scientists of our time.
A. are to challenge B. may be challenged C. have been challenged D. are challenging
29.It seems oil______ from this pipe for some time. We ll have to take the machine apart to put it
right.
A. had leaked B. is leaking C. leaked D. has been leaking
30.Once environmental damage ______, it takes many years for the system to recover.
A. has done B. is to do C. does D. is done
31.Neither of the young men who had applied for a position in the university ______.
A. has been accepted B. have been accepted C. was accepted D. were accepted
32.The last half of the nineteenth century______ the steady improvement in the means of travel.
A. has witnessed B. was witnessed C. witnessed D. is witnessed
33.If she doesn t tell him the truth now, he ll simply keep on asking her until she ______.
A. does B. has done C. will do D. would do
34.My train arrives in New York at eight o clock tonight. The plane I would like to take from there_______ by then.
A. would leave B. will have left C. has left D. had left
35.A thief who broke into a church was caught because traces of wax, found on his clothes, _____
from the sort of candles used only in churches.
A. had come B. coming C. come D. that came
36.She ought to stop work; she has a headache because she_______ too long.
A. had read B. read C. is reading D. has been reading
37.--- May I speak to your manager Mr. Williams at five o clock tonight?
--- I m sorry, Mr. Williams______ to a conference long before then.
A. had gone B. would have gone C. has gone D. will have gone
38.The growth of part-time and flexible working patterns, and of training and retraining schemes, ______ more women to take advantage of employment opportunities.
A. allow B. allows C. allowing D. have allowed
39.By the time he arrives in Beijing, we______ here for two days.
A. will have stayed B. shall stay C. have been staying D. have stayed
40.Such crimes may be so complex that months or years go by before anyone _______ them.
A. discovered B. will discover C. would have discovered D. discovers
答案
ACADC DBCDD CCBBA DDBAD
