Question

You’d better, I think, ________ him a hand when necessary．

1. A.
   give
2. B.
   to give
3. C.
   gave
4. D.
   giving

Answer 1

A
句中的I think是插入語(yǔ)，分析句意時(shí)應(yīng)忽略，整句結(jié)構(gòu)為“You’d better do sth．”。