---The news he will come back made us _______.
---Come on. We must finish the work and don’t _______.
A. exciting ， let him down B. excited， let down him
C. excited， let him down D. exciting， let him out
The book is well worth ______. Everyone ______ buy one and read it.
A. read， be supposed to B. reading， is supposed to
C. reading， is supposed D. read， are supposed to
You have grown up and you should _______ what you have done .
A. be responsible for B. be responsible to
C. responsible for D. responsible to
It’s difficult for us to __________ each other because we have spent so much time together .
A. separate from B. separate to
C. play with D. lay for
Smoking ______ in public places in many countries. So you ______ smoke here.
A.doesn’t allow ， can’t B. isn’t allowed， mustn’t
C.wasn’t allowed， may not D. didn’t allow， can’t
---He is an honest person ， so what he said is _______.
A， knowledgeable B， valuable
C， comfortable D， believable
