After the operation,what he does first every morning is _____plenty of exercise.A、tookB、to be taken C、take D、taken答案是：C.如果选项里面还有taking应该选哪个?
问题描述：
After the operation,what he does first every morning is _____plenty of exercise.A、took
B、to be taken C、take D、taken答案是：C.如果选项里面还有taking应该选哪个?
答
其实C：take省略了介词to， 应该是to take，它和taking都可以用
答
因为前面有do，所以后面省略to
答
这里take是省略了to ,有do 无to原则.
如果有taking 也可以选.
记得采纳一个答案,否则我们拿不了分,升不了级的,