Cho tam giác ABC, trên cạnh AC lấy điểm N sao cho AN = 4,5cm, NC = 3cm. Từ N kẻ đường thẳng song song với BC cắt AB tại M. Tính độ dài AM biết BM = 2cm.

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I. Choose the best answer:0.25/ 1 1. They ………… at home last night. (are -were - was ) 2. My last vacation ………………… wonderful. (am - was - is) 3. ………………… there a post office near here? (Is -Are - Do-Does) 4. I ………………… make a new skirt last week. (won’t - didn’t - weren’t) 5. I …………………… very happy on my last vacation. (will be - was -were) 6. Duyen …..go with us to the museum next weekend.(won’t - doesn’t will - won’t) 7. ………………… you buy the material yesterday? (Will - Did - Was - Were) 8. Where ……………..you …………………. tomorrow? ( will/go - do/go - did/go) 9. How much …… these envelopes cost? - They’re 10.000 Dong. (do - does - are) 10. He never …………..to class late. (will go - goes - went) 11. My brother and I ………….. TV every evening. ( watch- watches - is watching) 12. Quang …………. with vegetables at the moment. (is loading - will load - loaded ) 13. Ba …………… lunch at school. (has - eat - does ) 14. Ba’s brother …………… volleyball tonight. ( will play - plays - played ) 15. He …………… some souvenirs for his friends 5 days ago. (buys - bought -buy - will buy) 16. Could you tell me …………… to get to the bus stop, please? (how-where- when) 17. We’d like ………………… in summer. (swim - to swim - swimming ) 18. It was a green skirt with white flowers …………………… it. (on - at - to) 19. We like …………………… together. (talk - to talk - talking) 20. He …………………… stay here tomorrow. (didn’t - won’t - wasn’t) 21. We need ………………… food in winter. (buys - to buy - buying) 22. Read these sentences about ……… your teeth healthy? (keep- to keep- keeping) 23. Nam wants …………… these postcards to his pen pal. (send - to send - sending) 24. We enjoy ………………… in summer. (swim - to swim - swimming - swims) 25. Hoa likes……………………… very much. (dance - dancing - to dance - danced) 26. What will you …………………… during your vacation? (do - does - doing) 27. She needed …………………… this letter to her friends. ( to mail - mailing - mail) 28. We are in class 7A. He’s, ……………… (also - too - two) 29. Don’t eat ………………… candies. (too much - too many - very many) 30. Her birthday is on the ……………………… of July. (Twelve - twelveth - twelfth) 31. …………… you go and see her? Because was sick. (Where - What time - Why) 32. …………………… a nice dress! (Who - What - Which) 33. “…………… will clean the classroom tomorrow ?” Tu and Manh”. (What -Who - Where) 34. American students have ………………… vacations than Vietnamese students. (fewer - less - more) 35. Viet has 500 dong. Tam has 1000 dong. Viet has ……… money than Tam. (fewer - less - more) 36. She returned ………………… Hanoi from her vacation. (about - on - to) 37. The souvenir shop is …………… the bookstore. (between - next to- the right of) 38. The minimart is ………………… the hotel. ( near - next - the right of) 39. Minh talked to Ba ……………..his next birthday.( in - to - about) 40. English books are on the shelves ………………… the right. (on - at -to mình cần gấp