连词

　　( A )1.(2016陕西中考)I didn't accept his help ________I wanted to try it myself.

　　A.because　　　　　　B.though

　　C.until

　　( C )2. (2016阜康中考)I'd like to go with you，________I'm too busy.

　　A.or　　　B.and　　　C.but

　　( C )3.(2016玉林中考)—Why were you late for school this morning，Tom?

　　—I was about to go to school ________ it began to rain.

　　A.since B.while

　　C.when

　　( A )4. (2016西宁中考)—When shall we begin our trip?

　　—We'll set out ________ our head teacher arrives.

　　A.as soon as B.ever since

　　C.so that

　　( B )5.(2016青海中考模拟)—Jim，how do your parents like country music?

　　—________my dad ________my mom likes it.They both like country music.

　　A.Either;or

　　B.Not only;but also

　　C.Neither;nor

　　( A )6.(2016无锡中考)Could you help me with housework ________you are free today?

　　A.since B.though

　　C.unless

　　( C )7.(2016泰州中考)—The novel seems a little boring.

　　—You won't enjoy it ________ you put your heart into it.

　　A.when B.if C.unless

　　( C )8.(2016南京中考)—Are you going camping this afternoon?

　　—A typhoon is coming，I'm not sure________the road to the mountains will be closed.

　　A.which B.what C.whether

　　( A )9. (2016绵阳中考)—How do you like the concert given by EXO?

　　—Exciting，________ one piece of the music wasn't played quite well.

　　A.though 　B.because 　C.so

　　( A )10. (2016北京中考) ________I got home，my sister was doing her homework.

　　A.When B.Because

　　C.If

　　( A )11.(2016菏泽中考)________ the traffic was heavy yesterday，we got to the bus station on time.

　　A.Although B.Unless

　　C.Since

　　( A )12.(2016齐齐哈尔中考)I was writing a letter ________ she was making a telephone call.

　　A.while B.when C.before

　　( C )13.(2016资阳中考)—Mom，could I watch the game show now?

　　—Sorry，you can't watch it________ you clean your room.

　　A.when　　　　B.if　　　　D.until

　　( C )14. (2016孝感中考)It's a good habit to wash your hands ________ you have meals.

　　A.unless B.while D.before

　　( C )15.(2016青海中考模拟)Which do you prefer to use to communicate with your friends，QQ ________ MSN?

　　A.and B.nor C.or

　　( B )16.(2017中考预测)The old library will close soon ________people can give some money to support it.

　　A.if　　　　B.unless　　　C.because

　　( C )17.(2017中考预测)Jim's a taxi driver，________he really wants to be a doctor.

　　A.or B.and C.but

　　( A )18.(2017中考预测)—Lucy，save water，________ we will have no water to drink in the future.

　　—OK，you are quite right.

　　A.or B.and C.so

　　( A )19.(2017中考预测)He didn't go to school yesterday ________ he was ill.

　　A.because B.because of C.if

　　( C )20.(2017中考预测)—Will you please give the Readers Times to Jane?

　　—Sure，I'll give it to her________ she comes back.

　　A.before 　　B.until

　　C.as soon as

　　( C )21.(2016宜宾中考)It's already tens of years________the world's population reached five billion.

　　A.before 　B.after C.since

　　( B )22.(2016安徽中考)Our world will get better and better________each of us lives a greener life.

　　A.before 　B.if C.though

　　( A )23.(2016随州中考)—I really want to join the square dance.Can I learn the dance well?

　　—Yes，Mom!Nothing is impossible________you put your heart into it!

　　A.as long as 　　　B.as soon as

　　C.even if

　　( C )24.(2016绥化中考)I don't know ________ he will come or not this afternoon.

　　A.if 　　　B.when

　　C.whether