问题补充:
We had an anxious couple of weeks for the results of the experiment.
A. wait
B. to be waiting
C. waited
D. waiting
答案:
A. wait
B. to be waiting
C. waited
(答案→)D. waiting
解析:由于是主语等待,表主动,且在题干中充当方式状语。动词不定式不做方式状语。
时间:2022-02-20 08:40:32
We had an anxious couple of weeks for the results of the experiment.
A. wait
B. to be waiting
C. waited
D. waiting
A. wait
B. to be waiting
C. waited
(答案→)D. waiting
解析:由于是主语等待,表主动,且在题干中充当方式状语。动词不定式不做方式状语。