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Hoai1302
2 năm trước
cho tam giác abc cân tại A vẽ tia phân giác BD của góc ABC . Trên cạnh BC lấy điểm E sao cho BE=AB nối D với E a, chứng minh tam giác ABD=tam giác EBD b, chứng minh góc BED là góc vuông c, vẽ AH vuông góc với BC chứng minh góc BAH = góc ACH và AH//DE d, chứng minh DB là đường trung trực của đoạn thẳng AE GIẢI NHANH HỘ MK VỚI HỨA VOTE 5 SAO VÀ CTLHN
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Read the text below and think of the word which best fits each space. Use only ONE word in each space. HOLIDAYS WITH FRIEND I always (28) ................................... to go to Porchester (29) ................................... my summer holidays. It is a quiet little town, full of old and interesting buildings. Very (30) ................................... visitors ever go there, so there are no crowds. I enjoyed its sleepy atmosphere. I work in a big city, so a holiday in Porchester was a complete change (31) ................................... my usual life. Besides, I found (32) ................................... about the history of the place. I wanted to learn how life used to be in Porchester - the stories of (33) ................................... people and buildings. I made notes on (34) ................................... these things (35) ................................... my holidays and I soon knew (36) ................................... about the history of Porchester than most of the people (37) ................................... lived there. I am not a rich man and I cannot afford to stay in hotels. (38) ................................... Jack Thompson heard that I wanted to spend my holidays in Porchester again all these years later, he invited me to stay with (39) .................................... . Jack and I were in the Army (40) ................................... during the war and we were good friends.

I. Put the verb into the correct first conditional form: 1. If I __________________ (go) out tonight, I __________________ (go) to the cinema. 2. If you __________________ (get) back late, I __________________ (be) angry. 3. If we __________________ (not / see) each other tomorrow, we __________________ (see) each other next week. 4. If he __________________ (come), I __________________ (be) surprised. 5. If we __________________ (wait) here, we __________________ (be) late. 6. If we __________________ (go) on holiday this summer, we __________________ (go) to Spain. 7. If the weather __________________ (not / improve), we __________________ (not / have) a picnic. 8. If I __________________ (not / go) to bed early, I __________________ (be) tired tomorrow. 9. If we __________________ (eat) all this cake, we __________________ (feel) sick. 10. If you __________________ (not / want) to go out, I __________________(cook) dinner at home. 11. I __________________ (come) early if you __________________ (want). 12. They __________________ (go) to the party if they __________________ (be) invited. 13. She __________________ (stay) in London if she __________________ (get) a job. 14. He __________________ (not / get) a better job if he __________________ (not / pass) that exam. 15. I __________________ (buy) a new dress if I __________________ (have) enough money. 16. She __________________ (cook) dinner if you __________________ (go) to the supermarket. 17. They __________________ (go) on holiday if they __________________ (have) time. 18. We __________________ (be) late if we __________________ (not / hurry). 19. She __________________ (take) a taxi if it __________________ (rain). 20. I __________________ (not / go) if you __________________ (not / come) with me. II. Find mistakes and correct them 1. Sarah doesn't come to the party if you don't invite her. 2. If we'll order the new TV set tomorrow, we'll get it on Friday. 3. Nobody will like you if you won't change your behaviour. 4. You won't be able to use grammar correctly unless you don't understand it. 5. I get rid of my old car if you don't need it. Giúp mik với

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