The boy was seen ________ computer games in the net bar.A.playing B.to play C.play D.played以上是2017年甘肃天水的一道中考题,答案是B。see sb do sth 转被动需加不定式to还原,这个能理解,但为什么不能选A?see sb doi...
It happened to me recently. I was telling someone
how much I had enjoyed reading Barack Obama’s Dreams From My Father and how it
had changed my views of our President. A friend I was talking to agreed with me
that it was, in his words, “a brilliantly written book”. However, he
then went on to ...
Here are 65 stories. Among them,_______you can find at least a few
you'll enjoy and care to read.A.should B.may
C.can D.will我错选了A. should,正确答案是B. may,请问老师为什么选may呢?这个题目涉及了什么语法知识点呢?希望老师指点,谢谢老师!
He did very badly on the exam. He ___harder.A.must study B.must have studied C.should study D.should have studied本题答案选D,AC为什么错误呢,不能表示之后他必须或者应该好好学习吗?肯请老师解答,感谢!
Some Martian rock structures look strikingly like structures on Earth
that are known ______ by microbes.A. having been createdC. to have been createdC是正确答案,可是A和C都可以表示非谓语的动作先于谓语动词的动作,为什么不能选A?