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hahoaithu193
2 năm trước
Cho tam giác ABC vuông ở A, có B = 60°, tia phân giác của góc ABC cắt AC ở E, kẻ CD vuông góc với đường thắng AE (D thuộc AE). a) Tính số đo các góc ACB, EBA và EBC b) Chứng minh: EC = EB c) Chứng minh: BD= AC mn ơi mk đang cần gấp. giúp đỡ mk cảm ơn nhìu
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u SHOULD – SHOULDN”T 1. There are captivities in the boys’ teeth. I think they ______ eat too many candies. A. must B. mustn’t C. should D. shouldn’t 2. You _______ be ashamed of yourselves. A. could B. should C. did D. would 3. We ___________ do something immediately to save the Earth from being destroyed A. could B. should C. did D. would CORRECTION: 1. Hue said me that she would come home the next Monday. A B C D 2. We are looking forward for going on a wonderful summer holiday. A B C D 3. If I have to fly, I would get very nervous, so I usually drive. A B C D 4. Ms. Thuy told that she didn’t mind taking care of disabled children. A B C D 5. The children won’t go to sleep if we left a light on outside their bedroom. A B C D 6. Children are always looked for by their parents A B C D 7. Television now takes such an important role in so many people’s life. A B C D 8. We should turned off the lights in the classroom before we go home. A B C D SPEAKING: 1. “Are you free going to my birthday party tomorrow?” __________ A. Certainly, Here you are. B. No problem. I’m Carol. C. Ok. I’ll come. D. It’s pleasure to meet you. 2. “ Let’s join us in this trip.” __________ A. I’m doing very well. How about you? B. I’ve been to Da Lat? Are you? C. You’ve been very nice to me. Thanks. D. I’m sorry I can’t. Have a nice trip! 3. “ How about fishing at the weekend?”________ A. That sounds great. B. Thanks. C. You can do it. D. No problem. 4. “ Shall we play a game of table tennis now?”__________ A. Not at all. B. You are welcome. C. Sorry. I’m too tired. D. I don’t know you did it.

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