Bài 1. Khoanh tròn phương án đúng để hoàn thành các câu sau. 1. If the weather is fine, we (goes/ will go) camping tomorrow. 2. My parents will give me a gift if I (will pass/ pass) the final exam. 3. If you are polite to others, they (will be/ are nice to you). 4. Unless James (studies/ will study) hard, he will fail the exam. 5. My parents won’t allow me to go out if I (don’t finish/ won’t finish) my homework. 6. If the cable TV (doesn’t/ won’t) work, we will rent a DVD. 7. If you don’t want to stay at home, you (go/ can go) with me to the supermarket. 8. If you (will be/ are) a good listener, you will gain many friends. 9. James won’t attend the meeting if he (won’t/doesn’t) want to. 10. You can’t have this job unless you (have/will have) long working experience. 11. What (you will do/ will you do) if it snows tomorrow? 12. You (will be/ are) able to understand it you practice every day. 13. We will eat out today if there (will be/ is) nothing left in the fridge. 14. If it (will be/ is) too cold outside, we will stay home. 15. If she (isn’t/ won’t) careful, she will make many mistakes. Bài 2. Hoàn thành các câu sau sử dụng dạng đúng của động từ trong ngoặc. 1. The manager (be) ________________ very angry if I am late for work. 2. You will have to work very hard if you (take)______ this course. 3. I (go) ________ to see the doctor if I don’t feel well tomorrow. 4. They can’t hear you unless you (speak) ______ louder. 5. If Peter (forget) _____________ to write his essay, the teacher (give) _____________ him a low mark. 6. If they (win) ___________ this match, they will ne the champions. 7. We (have) _________ plenty of time if we (arrive) ______ there early. 8. The zookeeper (punish) ____________ you if you (feed) ___________ the animal. 9. What ________ (Jane/ say) if Jim (tell0 _______ her the truth. 10. The boys (shiver) _____________ with cold if they (swim) ________ in this lake. 11. The door (not lock) ____________- unless you (press) ____ the green button. 12. Jim won’t be late if he (take) _______________ the bus at 6 o’clock . 13. Mary isn’t home, but if you (want) _____ to leave her a message, I (give) ________ it to her. 14. If jack (clean) ________ the floor, I (do) __________ the washing. 15. the children (be) _____ happy if you (give) _______ them some sweets. Bài 3.Nối cột A với cột B để tạo thành câu hoàn chỉnh. A B 1. If people keep dumping rubbish into the lake, a. the groundwater will be poisoned. 2. If the farmers overuse pesticide, b. if our surrounding environment is polluted 3. Soil erosion won’t happen in an area, c. they will disappear in the future. 4. if we don’t converse the rainforests, d. unless we join hands to protect it. 5. Our health will be badly affected e. the aquatic life will be afflicted. 6. Our environment will be damaged f. floods will be more and more severe. 7. Is we don’t protect the frontier forests, g. if people use more public transportation. 8. The amount of carbon dioxide in the atmosphere will be reduced h. if people practice sustainable agricultural mad use. 1. ____ 2. __________ 3. _______ 4. ____________ 5. ____ 6. __________ 7. _______ 8. ____________ Bài 4. Dựa vào từ cho sẵn, viết câu hoàn chỉnh. 1. If/people/ not/ stop/ dumping/ waste/ into/ rivers/,/pollution/ increase/. _____________________________________________________________________________ 2. If/ polar/ ice caps/ melt/ ,/huge landmasses/ be/ under/ water. _____________________________________________________________________________ 3. If the air/ in/ city/ be/polluted/ ,it/can/ cause/ people’s/ respiratory/ problems. _____________________________________________________________________________ 4. If/smog/ be/ frequently/ formed/ in/ city/,/it/ cause/ difficulty/ in/ breathing/ headache/ even/ lung cancer. _____________________________________________________________________________ 5. If/ carbon monoxide/ concentrate/ in/ great/ amounts/, /it/ be/ harmful/. _____________________________________________________________________________ 6. The climate/ change/ if/ more trees/ be/ cut/ down/ for/ hardwood/. _____________________________________________________________________________ 7. If/ we/ not/ control/ pollution/ soon/,/it/ be/ too/ late/. _____________________________________________________________________________ 8. If/we/ not/ protect/ frontier/,/we/ suffer/ many/ from/ natural/ disasters. _____________________________________________________________________________