Question

【题目】I don’t know whether you happen ________ it, but I am going to study in the UK for a year.

A. hear B. to hear

C. to be heard D. to have heard

Answer 1

【答案】D

【解析】考察不定时的完成形式。我不知道你是不是碰巧听到了，我要到英国学习一年。happen to have done sth. 碰巧做过某事。选D。