Question

I don’t know whether you happen_______, but I’m going to study in the U.S.A. this September.A. .

I don’t know whether you happen_______, but I’m going to study in the U.S.A. this September.A. to be heard B. to be hearingC. to hear D. to have heard?

Answer 1

D?

此题考查不定式的时态辨析。整句话的意思是“我不知你是否已听说了……”。要体现不定式的动作先于谓语发生或者应该已发生，不定式要用完成形式。