This is the _______(good) book you can buy.填什么?

题目

This is the _______(good) book you can buy.填什么?
This is the _______(good) book you can buy.
That’s the_______(difficult) question in the test.
Peter jumps _______(high) and Sam jumps_______ (high) than Peter does.And John jumps _______(high) than Peter and Sam.So he jumps the _______(high) of the three.

答案

1.best
2,most difficult
3.high,higher,the highest height.