-Ihaven'theardfromHenryforalongtime.   -Whatdoyouthink...

问题详情：

 -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

【回答】

C

知识点：现在完成时及其被动式

题型：选择题