We haven't heard from Diana for a long time.What do you think ________ her?
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
答案及解析: A
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
答案及解析: A