※※请告诉我以下几道题的答案为什么是B-C-B-C-B.

※※请告诉我以下几道题的答案为什么是B-C-B-C-B.
1.The hotel id full of guests.Many tourists have no rooms _______.
A.to live B.to live in C.for living D.to living
2.How about _______ to the Grand Theatre on Sundays?
A.go B.to go C.going D.will go
3.Let's ________ a picnic tomorrow.
A.to have B.have C.will have D.having
4.Do you have ________ to tell us?
A.something new B.new something C.anything new D.new anything
5.It's a secret.Keep it ______ you and me.
A.among B.hetween C.with D.in
注意我的问题是为什么要选B-C-B-C-B,不要答错了.

1 live 用来修饰room,本意是live in rooms所以选B
2 about 是介词,后跟动词ing形式,构成介宾结构
3 let sb do sth,固定用法,所以用动词原型
4 疑问句中用anything,形容词要加在anything,something,nothing这类词后面
5 表示---和---之间,用between --- and ---