问题补充:
----- I haven’t heard from Henry for a long time.
----- What do you think to him?
A. has happened
B. to happen
C. was happening
D. had happened
答案:
(答案→)A. has happened
B. to happen
C. was happening
D. had happened
解析:根据上文的内容,可知答案为“what has happened ”故选A