问题
单项选择题
I had to wait for half an hour before he () see me.
A. can
B. may
C. might
D. could
答案
参考答案:D
解析:
have to(must)…before...can...“必须……才”,是一个句型。此句是过去时,所以用could。might“也许”,口气太弱,与句义不符。
I had to wait for half an hour before he () see me.
A. can
B. may
C. might
D. could
参考答案:D
解析:
have to(must)…before...can...“必须……才”,是一个句型。此句是过去时,所以用could。might“也许”,口气太弱,与句义不符。