重庆市大学城第一中学校2020届中考英语定时训练 连词（无答案）

连词一）单项选择1. Practice more, _ youll do better in playing chess.A. but B. and C. when D. after2. Id like to have a try, _ I may fail.A. since B. though C. until D. after3. -I can hardly believe my eyes. Is that you, Lucy ? -Yes. It has been almost 20 years _ we were together.A. since B. before C. after D. until4. Talk to your teacher and you will get help _ you have a problem.A. unless B. if C. until D. so5. Eric arrived on time, _ it was the rush hour.A. although B. because C. while D. unless6. Diana isnt here, _ leave a message on her desk.A. or B. so C. and D. but7. Dont run in the classroom, _ you may hurt yourself.A. and B. or C. but D. so8. They will lose the game _ they try their best.A. unless B. once C. since D. after9. Id like to go with you, _ Im too busy.A. or B. and C. so D. but10. _ he was very tired, he continued working in his office.A. Since B. Although C. As soon as D. Because11. Mum says _ I do my homework now, I can watch TV for an hour tonight.A. if B. though C. because D. while12. Rick has learned a lot about Chinese culture _ he came to China.A. before B. when C. until D. since13. In summer milk will quickly go bad _ it is put into a fridge.A. though B. unless C. because D. once14. Laura opened the door and rushed into the rain _ I could stop her.A. until B. after C. before D. unless15. It is better to travel 10,000 miles _ to read 10,000 books.A. as B. but C. nor D. than16. Which do you prefer to use to communicate with your friends, QQ _ MSN?A. and B. nor C. or D. so17. -I really enjoy Chinese food ! -Me, too. My mouth was watering _ I watched the TV program A Bite of China.A. when B. before C. since D. after18. -Excuse me. Is it my turn now? -Not yet. Please wait on the chair _ your name is called.A. and B. until C. although D. since19. The teacher asked me to read aloud _ all the students could hear me.A. so that B. for C. because D. in order to20. -When will you return the book to me ? -Ill give you _ I finish it.A. once B. until C. as soon as D. unless21. Ill go to visit my aunt in England _ the summer holiday starts.A. while B. since C. until D. as soon as22. The traffic rules say drivers mustnt drive if they are drunk, _ they will be punished.A. or B. but C. and D. so23. -Tell us something about Canada, OK? -Im sorry. _ Jack _ I have ever been there.A. Either; or B. Not only; but also C. Both; and D. Neither; nor24. Your dream wont come true _ you know what your dream is.A. after B. unless C. while D. since25. Think it over, _ youll work out the math problem.A. or B. so C. for D. and26. The beginning of the movie was boring, _ the end was amazing!A. but B. and C. so D. or27. -We cant be successful _ we keep working hard. -I agree with you.A. if B. unless C. because D. when28. Work hard, _ you will succeed.A. or B. so C. and D. but29. Lets go to Kunming for vacation. Its _ too hot _ too cold.A. either; or B. neither; nor C. both; and D. not only; but also30. -Well visit the Summer Palace _ there is a heavy rain tomorrow. -OK! Boating on the lake must be great fun.A. unless B. since C. as soon as D. if句型转换：1. They didnt know what they would do this Sunday.（改为简单句）They didnt know what _ _ this Sunday.2. “Do you like bananas ?”they asked. （合并为一句）They asked _ we _ bananas.3. Its three weeks since we had dinner together. (改为同义句) Three weeks _ _ since we had diner together.4. Many trees are planted on each side of the street. (改为同义句) Many trees are planted on _ sides of the street.5. Although it is raining, he is still working in the field. (改为同义句) It is raining, _ he is still working in the field.