题目内容
-Susan married Jason last Sunday.
-Really?How long ________ each other?
-No more than a week, I’m afraid.
[ ]
A.
did they know
B.
have they known
C.
have they got to know
D.
had they known
答案:D
提示:
提示:
认识在结婚这个过去动作之前,故用过去完成时。 |

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