I don’t know whether you happen ____ it, but I’m going to study in the U.S.A. th
题型：不详难度：来源：
I don’t know whether you happen ____ it, but I’m going to study in the U.S.A. this September.
A. to be heard B. to be hearing C. to hear D. to have heard |
答案
| D |
解析
| happen to have done sth 为不定式的完成时, 表示一个已经完成了的动作,强调对于现在的影响. |
举一反三
_____ and out of breath, we reached the top of the mountain and stopped _____ the beautiful scenery.
| A．Tiring; to admire | B．Being tired; admiring
| C．Tired; to admire | D．Tired; admiring |
|
Don’t leave the water ____ while you brush your teeth.| A．run | B．running | C．being run | D．to run |
|
He looked around and caught a man _____ his hand into the pocket of a passenger.| A．put | B．to be put | C．to put | D．putting |
|
_____ the diamond, he had to look for a place to hide it.| A．Having stolen | B．Having been stolen | C．Stolen | D．Stealing |
|
To answer correctly is more important than _____.| A．that you finish quickly | B．finishing quickly | C．to finish quickly | D．finish quickly |
|
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