问题
选择题
We haven't heard from Diana for a long time.What do you think ________ her?[ ]
A. has happened to
B. to happen to
C. has happened on
D. was happening to
答案
答案：A
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We haven't heard from Diana for a long time.What do you think ________ her?[ ]
A. has happened to
B. to happen to
C. has happened on
D. was happening to
答案：A