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phituananh2010
2 năm trước
Cho góc xOy nhọn trên Ox lấy 2 điểm A và B với OA = 4 cm , OB = 6 cm .Trên Oy lấy 2 điểm C và D với OC = 6 cm , CD = 9 cm .Chứng minh rằng AC // DB.
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ENGLISH 10- MORE EXERCISES – VERB TENSES- CONDITIONAL SENTENCES- PASSIVE VOICE Exercise1. put the verbs into the correct form, active or passive. 1. Water (cover) ___________________ most of the Earth’s surface. 2. Most of the Earth’s surface (cover) __________________ by water. 3. The letter (post) _____________ a week ago and it (arriver) ________________ yesterday. 5. Why (Bill/ sack) ______________ from his job? What did he do wrong? 6. The room is very clean. It (just / clean ) _____________________. 7. I can print this document because the computer (use) ______________________ now 8. I (stop) _______________ by the police while I ( drive) _____________ home. 9. The customers (leave) _______________ the company before our boss arrived. 10. She wil be angry if she (hear) …………………………. this tomorrow. 11. If I (be) ………………………………… a millionaire, I would live on Mars. 12 If he (take) _______________ to school by bike, he wouldn’t have got a carsick. 13. If I (be) ………………………………… in your place, I (accept) ………………………………… Mr. Anderson’s invitation. 14. If grandmother (be) ……………………….. 5 years younger, she (play) ………………………… some games. 15. I was busy. If I (have) …………………………..free time. I (go) ……………………………. to the cinema wi

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