-I haven't heard from Henry for a long t
问题:
-I haven't heard from Henry for a long time.
-What do you think ________ to him?
A.happening
B.to happen
C.has happened
D.had happened
-I haven't heard from Henry for a long time.
-What do you think ________ to him?
A.happening
B.to happen
C.has happened
D.had happened