中考英语连词专题练习题
1. Usually we dont realize how important nature is to us______ it is too late.
A. unless B. until C. if D. after
2．Go to bed early，______ you wont get up on time next morning.
A．then B．and C．but D．or
3．Tony is a clever boy，______ he usually fails in Chinese exams.
A．so B．but C．or D. because
4. Could you please give me your e-mail address ____ you go?
A. as soon as B. before C. after D. until
5. Dont get off the bus ____ it has stopped .
A. until B. if C. to D. for
6. He met many problems ____ he was going over his lessons .
A. before B. as soon as C. since D. while
7. We have been good friends ____ we joined the same ping-pong team.
A. after B. before C. since D. until
8. My brother is going to look for another job______the company offers him more money．
A. after B.when C unless D．besides
9. I didnt know he came back ____ I met him in the street.
A. since B. when C. until D. after
10. -Look! Here comes our school bus.
-No hurry. Dont get on it ______it has stopped.
A. until B. after C. since D. when
11．Time waits for no man. But teenagers won't realize the value of time until it's gone. Don't waste your time, you will regret it.
A. and B. or C. but
12．-Shall we get off the bus here?
-Yes. But we won't get off _______ it stops.
A.when B. until C. while D. after
13．-Susan, what are the advantages of MP5 players?
-Mom, they are smaller and lighter ______ they can be carried very easily.
A.unlessB.if C.untilD.so that
14．Think it over, _____ you'll work out the math problem.
A. or B. so C. for D. and
15．Nobody will help you________ you help yourself.
A. unless B. because C. though
