摘要：27．----- 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 28．This picture was taken a long time ago. I wonder if you can my father. A．find out B．pick out C．look out D．speak out
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—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
查看习题详情和答案>>---- Did Mary come to the party?
---- I don’t know. She _____ while I was out.
A. might have come B. might come C. should have come D. must have come
查看习题详情和答案>>-----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 |