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Nt2001
2 năm trước
cho biểu thức P=a/(a^2-a+1).tìm a là số tự nhiên để biểu thức P có giá trị nguyên giúp mình vs
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Correct the mistakes. 1. What do the small store owners thought about the new shopping mall? 2. In 1976, the Youth Union was official named as it is called today. 3. They learn words on different ways. 4. What do some learners do in order remember words better? 5. A kitchen is not a suitable place playing. 6. Young children is not understand that many household objects are dangerous. 7. If we have a recycle story to share, we can call or fax the magazine at 5 265 456. 8. Glass is broken up, melted and make into new glassware. 9. People from the countryside are leave their home. 10. Many people came to the city create problems. 11. He asked me singing a song. 12. Would you mind if I open the window ? 13. We haven’t see each other since 998 14. Are you free in Monday ? 15. Would you like having a cup of tea ?

làm giúp mình với ạ II. Match the questions in column A with the suitable answers in column B. A 1. What time did they arrive? 2. How much does it cost? 3. Where did you buy it? 4. Who is Nam staying with? 5. How long did it take to get to school by bike? 6. What did he do yesterday evening? 7. How far is it from your house to the museum? 8. What will you do on next vacation? 9. Who helped her to make the dress? 10. How did he get there? B a. He went to the movie theater. b. With his grandfather. c. I’ll visit Sa Pa with my family. d. It’s about 7 kilometers. e. Her mother. f. They arrive at 11 o’clock. g. I bought it at the bookstore. h. He went there by train. i. About 20 minutes. j. It costs fifty thousand dollars. 1………; 2………; 3………; 4………; 5………; 6………; 7………; 8………; 9………; 10……… IV. Give the correct form of verbs given. 1. They (join) ………………. the English competition last week. 2. Lan’s sister usually (get) ……………… up at 6 o’clock in the morning. 3. What time …………… your mother (cook) ……………… for dinner yesterday? 4. What ……… they (do) …………… now? – They (clean) …………………… their car. 5. Mai (not go) ……………………. to the supermarket next morning. 6. It (rain) ………………… heavily now. You should (stay) ………… at home and (read) ………… books. 7. She (be) ……………… fourteen on her next birthday. 8. I (mail) ………………… this letter tomorrow. 9. He (phone) ……………… his parents three or four times a week. 10. Hoa (not visit) …………………… the museum with her class last Sunday. 11. …………… (be) you at Paul’s party last night? 12. Listen! The birds (sing) ………………… 13. Could you (show) ……………… me the way to the bank? 14. He (be) …………… never late for school. 15. We (buy) ……………… her a lot of gift for her last birthday.

13, Trung will mail his letter to Bruce, his pen pal. …………………………………………………………………… 14, The stamps for your letter cost 8,000 Vietnam dong. …………………………………………………………………… 15, Minh needs a phone card because she wants to give her parents a call. …………………………………………………………………… 16, There are over 10,000 stamps in Nam’s collection. …………………………………………………………………… 17, I would like to buy some local goods. …………………………………………………………………… 18., Tam phones his uncle twice a month. …………………………………………………………………… 19, Our class starts at seven thirty. ……………………………………………………… 2o , It takes me two hours to do my homework. ……………………………………………………… 21, The farmers work very hard. …………………………………………………………… 22., The summer vacation lasts for almost three months. ……………………………………………………… 23., We will visit out grandmother during the vacation. …………………………………………………………… 24., Vietnamese students work 25 hours a week. ……………………………………………………… 25., She is definitely not lazy because she works 45 hours a week. …………………………………………………………… 26., Hong’s mother worked at a supermarket. ………………………………………………………… 27., My father gets about seven public holidays every year. ……………………………………………………… 28., They always went to Ha Long Bay on vacation. ……………………….……………………………

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