-----Did Mary come to the party?
---I don’t know．She while I was out．
A. may have come
B. must have come
C. might come
D. could come
-----Did Mary come to the party?---I don’t knowShe while I was out．A. may have comeB. mus
答案:2 悬赏:50 手机版
解决时间 2021-04-08 01:00
- 提问者网友：萌卜娃娃
- 2021-04-07 14:53
最佳答案
- 五星知识达人网友：患得患失的劫
- 2021-04-07 15:49
(答案→)A. may have comeB. must have come C. might comeD. could come解析：这题考查情态动词的完成式的用法：从第一句话知道是指过去的事，从-I don’t know，知道是可能已经来了。用may have come，A项正确。
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- 1楼网友：时间的尘埃
- 2021-04-07 16:21
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