题目内容
I don’t know whether you happen _______, 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
D
句意是“是否已经听说过”, 不定式用完成式。
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题目内容
I don’t know whether you happen _______, 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
D
句意是“是否已经听说过”, 不定式用完成式。