a) Tính giá trị của biểu thức – x2y – xy – 2x – y2 – 2 tại x = –2; y = –1

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Exercise 8: Chọn câu hỏi đúng nhất cho phần gạch chân trong câu trả lời: 1/ ………………………………………………………………………..? I went to Da Nang City last summer. 2/ ………………………………………………………………………..? I went by motorbike with my father. 3/………………………………………………………………………..? I went to see my grandparents. 4/………………………………………………………………………..? Yes, I did. It was fantastic. Exercise 9:Viết câu so sánh sử dụng từ gợi ý 1.Nha Trang/ small/ Ha Noi City. ........................................................................ 2. Life in Da Nang/ expensive/ life in HCM City. ........................................................................ 3.Da Lat/ exciting/ London. ........................................................................ 4. Huong River/ small/ Me Kong River. ........................................................................ 5.I/ tall/ Mai................................................................................................................... 6. My sister/ young/ me................................................................................................. 7.This bag/ cheap/ that bag........................................................................................... 8. The country/ quite/ the City.................................................................................... 9. Mai’s house/ large/ Tuan’s house............................................................................ Exercise 10:Fill in the blank with suitable words: Điền vào chỗ trống một từ thích hợp. 1. You will get off the bus at the ...................................... on Tran Dang Ninh Street. 2. My mother wants to send this letter for my uncle, so she goes to the ...................................... . 3. Can you buy me a ...................................... of vegetables oil, Mai? – OK, mom. 4. What would you like do drink? – a ...................................... of coffee, please. 5. How much water does she drink every day? – 8 ...................................... of water. 6. We’d like to buy some ........................... of biscuit, 2 kilos of orange, chips, sandwiches and water. 7. We are ...................................... to go camping tomorrow. 8. My father eat 3 big ...................................... rice each meals. He’s very strong. 9. I would like a ...................................... of apple juice, please. 10. How ...................................... apples do you eat every day? Exercise 11: Find and correct the mistakes: Tìm lỗi sai và sửa lỗi. 1. How much bananas do you eat every day? ....................................... 2. She eats three cups of rice each meal. ....................................... 3. My mother would like to buy 2 bunches of sausages. ....................................... 4. You should drink 8 waters every day. ....................................... 5. How many apple do you eat every day, Loan? .......................................