1.do you often phay ....games ? A book B computer C telephone D radio 2. vietnam students have ..... vacations than American student . A less B little C few D fewer . 3 . how much is a letter..... japan? A from B to C about D for .4. Summer is usually .... than winter A hot B hotter C hottest D colder

em hãy kể lại buổi lễ khai giảng mà em ấn tượng nhất

1. Do you know a good ....... to paint my house? A. painting B. paint C. who D. painter 2. Please don't touch anything ...... the police arrive. A. when B. if C. unless D. until 3. These apples are different ....... the ones you bought yesterday. A. from B. with C. at D. about 4. He spent a lot of time ...... reading books. A. on B. at C. in D. X 5. They treat women ....... more equally than people in the North. A. very B. too C. so D. much 6. Many Welsh people speak English as their ....... language. A. home B. first C. family D. mother 7. Even if you can't stop driving altogether, at least try to cut ....... A. off B. down C. up D. out 8. The crowd at a football match are often ....... A. excite B. excited C. exciting D. being excited 9. If there ....... gravity, water wouldn't run down hill. A. aren't B. isn't C. wasn't D. weren't 10. Your brother is very tall. What is his exact .......? A. size B. length C. height D. measure

Tính bằng cách thuận tiện nhất A-2=(1/1.2+1/2.3+....+1/99.100)-2

Cho tam giác ABC vuông tại A, đường cao AH . Biết AB : AC = 3 : 4, BC = 15cm. Tính BH và HC?

vẽ mầm NL: nền dessktop mn là j của toi đây

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