题目内容
I don’t know whether you happened ________, but I’m going to study in the USA this September.
[ ]
A.
to be heard
B.
to be hearing
C.
to hear
D.
to have heard
答案:D
解析:
解析:
|
根据根据下文可知,这个句子意思是“不知你是否已经听说”,因此动词不定式应该用完成式。 |
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