After the operation, the first thing he does every morning is _____ plenty of exercise.A. to take B. taking C. take D. to be taken 选哪个?为什么?答案是C,我选B,为什么不能是B?
问题描述：
After the operation, the first thing he does every morning is _____ plenty of exercise.
A. to take B. taking C. take D. to be taken
选哪个?为什么?
答案是C,我选B,为什么不能是B?
答
选A 根据句意：手术后他首先要做的就是每天早上做大量的练习。
to不定式就是前面 the first thing
答
A 是“to take”动词不定式做表语
答
选C.没错.你记住哦,如果前面有“do”,后面就选动词原形.如果前面没有“do”则选to do.