...in
doing sth?否定句为什么用动词不定式(not ) to do sth?肯定句可以用be
careful to do sth的形式吗?为什么有的补语用(in)doing sth 的形式,有的用to
do sth的形式?是固定用法还是有一定的规律? 又如:have problems /trouble
/difficulty (in ) doing sth ...
...一种比较正式的表达,在非正式文体中,这样的介词通常可以放到句末去。如:正式:In which century did he live? 他生活在哪个世纪?非正式:Which century did he live in? 他生活在哪个世纪?但是,对于 to what degree开头的特殊疑问句如何将...
...),由于from是介词,所以采取了动名词形式(stopping )可以有两种理解:=In addition to stop water pollution by law, it’s everyone’s responsibility to make good use of water.=Apart from our stopping water pollution by law, it’s everyone’s responsibility to make good ...
...补充性状语还是主句的补充性状语? 这个补充性状语是否可以理解为省略了which加系动词?2. These labels encourage style-conscious consumers to see clothes as disposable—meant to last only a wash or two , although they don't advertise that—and to renew their wardrobe...
...句同时发生,但下面这道题:(答案给的是C,但感觉A也可以啊)The old man looked as though he _________ out of my story book.A.stepped B.would step C.had stepped D.would have stepped以及Why is she looking at me as though she _______(know)
me? I've never seen her b...