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
______ it is raining hard , they are still working in the field.
A. Because B. As soon as
C. Though D. Unless
The houses in big cities are so expensive that I can’t __________ to buy one .
A. afford B. choose C. decide D. Give