Great as Newton was,many of his idea _ today and are being modified by the work of scientists of our time.A.are to challengeB.may be challengedC.have been challengedD.are challenging
...?即lying in the bed 是动名词短语还是现在分词短语?2.reading a book是非谓语动词的什么形式短语?现在分词短语还是动名词短语?3. reading a book是做状语吗?还是定语?4.可不可以改成这样: He is lying in the bed, while he is reading a book...
在语法书上看到一个例句。 There was a very interesting remark in a book by an Englishman that i read recently giving what he thought was a reason for this American characteristic. 这句话的句子成分我已经明白了,但是有两点不懂。
what he thought was a reason...