1. I don’t know if it tomorrow ,if it , we won’t go on a picnic.

　　A. rains; rains

　　B. will rain; rains

　　C. will rain; will rain

　　2. We can’t go to the zoo ___ the weather is fine tomorrow.

　　A. unless

　　B. if

　　C. because

　　3. Just work hard, ____ your dream will come true.

　　A. but

　　B. and

　　C. or

　　4. Don’t cross the street ____ the traffic lights are green.

　　A. after

　　B. until

　　C. when

　　5. ____ they may not succeed, they will try their best.

　　A. Though

　　B. Because

　　C. Unless

　　6. We will have no water to dink we don’t protect the earth.

　　A. until

　　B. before

　　C. if

　　7. Luckily, all the students got out of the teaching building if fell down.

　　A. until

　　B. before

　　C. after

　　8. My grandma didn’t go sleep I got back home.

　　A. where

　　B. until

　　C. as soon as

　　9. Uncle Wang gave all his savings to the Hope School ______he himself was not rich.

　　A. because

　　B. as if

　　C. though

　　10.You’ll do better you are more careful with your spelling.

　　A .if

　　B. before

　　C. although

　　11.The sports meeting will continue it rains this afternoon.

　　A. if

　　B. since

　　C. unless

　　12.I’ll give her the message she comes back.

　　A. till

　　B. before

　　C. as soon as

　　13.Jim is going to be a doctor when he _______ .

　　A. will grow up

　　B. grows up

　　C. grow up

　　14.—Did you catch what the teacher said? —No. She spoke so fast I couldn’t hear her very clearly.

　　A .which

　　B. that

　　C. when

　　15.The teacher speaks very loudly all the students can hear her.

　　A. so that

　　B. because

　　C. since

　　16. Study hard, _______ you will catch up with your classmates.

　　A. and

　　B. or

　　C. but

　　17. Several days has passed _________ the terrible earthquake happened in Japan.

　　A. after

　　B. since

　　C. as

　　18. It’s raining outside. Don’t leave _______ it stops.

　　A. When

　　B. since

　　C. until

　　19. _________ it’s difficult to make her dream come true, but she never gives up.

　　A. Though

　　B. /

　　C. Because

　　20. ____ you go to the party, you will have a good time.

　　A. If

　　B. Though

　　C. Because

　　21.--- Is WuDong at school today ?

　　---- No, he is at home____ he has a bad cold.

　　A. When

　　B. Though

　　C. Because

　　22.There are many books on math in the bookshop that he can’t decide which to choose.

　　A. so

　　B. too

　　C. such

　　23.He got up early he could get to school on time

　　A. even though

　　B. as if

　　C. so that

　　24.She is short she can’t reach the buttons of the lift

　　A .so, that

　　B. such, that

　　C. too, to

　　25.---Mum, what did the doctor say ?

　　--- He asked me to live ____ the air is fresher.

　　A. where

　　B. when

　　C. because