问题补充:
I must return the book to the library. I it for one week.
A. keep
B. borrowed
C. have kept
D. have lent
答案:
A. keep
B. borrowed
(答案→)C. have kept
D. have lent
解析:考查现在完成时。过去发生的动作一直持续到现在是现在完成时表示的内容。因为一星期是一段时间,所以必须用延续性动词。
时间:2018-12-27 19:26:54
I must return the book to the library. I it for one week.
A. keep
B. borrowed
C. have kept
D. have lent
A. keep
B. borrowed
(答案→)C. have kept
D. have lent
解析:考查现在完成时。过去发生的动作一直持续到现在是现在完成时表示的内容。因为一星期是一段时间,所以必须用延续性动词。