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(单选题) -We haven’t heard from Jane for a long time.( )
-What _____ to her?(本题2.0分)
A、 was happening
B、 to happen
C、 has happened
D、 having happened
-What _____ to her?(本题2.0分)
A、 was happening
B、 to happen
C、 has happened
D、 having happened
参考答案