题目内容
We shouldn’t drink _______ we drive and we mustn’t drive if we’ve drunk.
| A．unless | B．before | C．until | D．while |
B
解析试题分析：A. unless除非，B. before在…前面，C. until直到，D. while当…时候，句意：我们开车前不应该喝酒，如果喝酒了不能开车。所以选B。
考点：考查连词
— Darling, hand me the new suit. My coat may be a little casual for the lecture.
— Why bother? I think you can go______ you are.
| A．where | B．as | C．like | D．that |
We'll have a picnic in the park this Sunday ________ it rains or it's very cold.
| A．since | B．if | C．unless | D．until |
---Are you free now? I’ve got something to tell you.
--- Ok, ______ you make your story short.
| A．so long as | B．even if | C．now that | D．in that case |
The fire started on the second floor and it wasn't long ______ the whole building was burned down.
| A．while | B．when | C．after | D．before |
Before long the Greens moved to a bigger city ____ the children could attend a better high school.
| A．even if | B．so that | C．now that | D．as if |
It puzzles the scientists _____ some mammals produce their young _____ others lay eggs.
| A．that; while | B．what; while | C．that; as | D．what; as |
—Did you return Fred’s call?
—I didn’t need to ____ I’ll see him tomorrow.
| A．though | B．unless | C．when | D．because |
________they visited the Science Museum，they showed great interest in everything they saw.
| A．The first time | B．For the first time | C．At first | D．At the first time |