1) If I (to study), I (to pass) the exams. 2) If the sun (to shine), we (to walk) to the town. 3) If he (to have) a temperature, he (to see) the doctor. 4) If my friends (to come), I (to be) very happy. 5) If she (to earn) a lot of money, she (to fly) to New York. 6) If we (to travel) to London, we (to visit) the museums. 7) If you (to wear) sandals in the mountains, you (to slip) on the rocks. 8) If Rita (to forget) her homework, the teacher (to give) her a low mark. 9) If they (to go) to the disco, they (to listen) to loud music. 10) If you (to wait) a minute, I (to ask) my parents.

Cho tứ giác ABCD, E và F theo thứ tự là trung điểm của BD và AC, I là trung điểm của EF. Gọi A', B', I' là chân các đường vuông góc kẻ từ A, B, I xuống CD. CMR: AA' + BB' = 4II'

Tính chất của gió mùa Tây Nam hoạt động vào mùa hạ ở nước ta là: (2.5 Điểm) A. Nóng, ẩm. B. Lạnh, khô. C. Lạnh, ẩm. D. Khô, nóng.

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Chuyển từ chủ động sang bị động mình cần gấp giúp mik với EXERCISE 5. Present perfect tense 1. I have already watched the play before. ____________________________________________________________ 2. The 1999 flood has destroyed our city. ____________________________________________________________ 3. He has used his pencil instead. ____________________________________________________________ 4. This is the first time I have seen such a lovely dog. ____________________________________________________________ 5. The student hasn't done the homework yet. ____________________________________________________________ 6. They have taken her to the hospital. ____________________________________________________________ 7. They have cancelled the meeting. ____________________________________________________________ 8. Someone has moved my chair. ____________________________________________________________ 9. Someone has given him a lot of money. ____________________________________________________________ 10. We have invited all the students in the school. ____________________________________________________________ 11. We have told him not to be late again. ____________________________________________________________ 12. Our teachers have explained the English grammar. Thầ y Bùi Văn Vinh – 0988.333.599 110 ____________________________________________________________ 13. Have you finished the above sentences? ____________________________________________________________ 14. The police have arrested the mugger. ____________________________________________________________ 15. The police have arrested five suspects ____________________________________________________________ EXERCISE 6. Past perfect tense 1. They had finished doing their homework before they went to the cafeteria. ____________________________________________________________ 2. Her husband had done the housework before 7 party yesterday. ____________________________________________________________ 3. Before going shopping yesterday, David had cleaned the kitchen. ____________________________________________________________ 4. Wonbin had played the video game for four hours. ____________________________________________________________ 5. Ms Nina hadn't seen the film before. ____________________________________________________________

Đề : : Cho câu chủ đề sau: “Chị Dậu là người phụ nữ vừa giàu tình yêu thương, vừa có sức sống tiềm tàng mạnh mẽ”. Em hãy viết một đoạn văn quy nạp khoảng 10 câu để làm sáng tỏ nhận xét trên.

II. Choose the word or phrase that best completes each unfinished sentence below or substitutes for the underlined word or phrase. 6. At 9 o’clock yesterday____ we on the beach. a. are lying b. have lain c. lay d. were lying 7. The baby_____ his food onto the floor and making his mother angry. a. always threw b. is always throwing c. has always thrown d. always throws 8. I would like_____to Africa. a. go b. to go c. going d. to going 9. It was kind ______ you to help them. a. of b. from c. for d. to 10. Are you going abroad this summer? a. away from home b. on holiday c. to another country d. to the USA 11. ____ is a building or room where people can go to look at paintings. a. Gallery b. Library c. University d. Gym 12. I brought back this cowboy hat as a ______ of America. a. gift b. present c. award d. souvenir 13. While Angela wa cleaning her room, she _____ her lost earring. a. is finding b. finds c. has found d. found 14. Why don’t you come _____ for dinner? a. about b. over c. up d. upon 15. Will you pick me _____ after the party? a. on b. over c. through d. up

( x + 26) - 57 = 0 Tìm x là một số tự nhiên

Bài 7. Cho  ABC vuông tại A, C = 30°. Kẻ đường trung trực của đoạn thẳng AC, cắt AC tại H và cắt BC tại D. Nối A và D. a) Chứng minh  ABD đều. b) Kẻ phân giác góc B cắt AD tại K, cắt DH kéo dài tại I. Chứng minh I là tâm đường trong đi qua ba đỉnh, của tam giác ADC. c) Gọi E, F là hình chiếu vuông góc của I xuống các đường thẳng BC, BA. Chứng minh IE = IF = IK. d) Tính số đo góc DAI Bài 8. Cho tam giác ABC vuông tại A, kẻ đường phân giác BM. Trên cạnh BC lấy điểm D sao cho BD = BA. a) Chứng minh BM AD. b) Gọi H là hình chiếu vuông góc của D trên AC,K là hình chiếu vuông góc của A trên DM. Chứng minh ba đường thẳng AK, BM, DH đồng quy.