viết các tập hợp sau bằng cách liệt kê các phần tử và tính số phần tử của tâp hợp A) C= { thuộc N* / x nhỏ hơn hoặc bằng 7} B) tập hợp D các số tự nhiên x sao cho x 5 < 5 C) tập hợp E các số tự nhiên chẵn bé hơn 2016

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B/ BÀI TẬP: Bài 1: Khoanh tròn đáp án đúng 1. My sister and I______ the cartoons on TV every Saturday last summer. A. watch B. watched C. watches D. watching 2. Last Sunday, Daisy ..............................all her clothes. A. iron B. ironing C. ironed D. irons 3. The musician ______________ in the concert last night is internationally famous. A. appeared B. appears C. was appear D. appear 4. Last night, I _______________a cake when the lights _________ out. A. make / go B. make / went C. made / went D. made / go 5. On my way to school yesterday , I _______________a terrible accident. A. see B. seeing C. sees D. saw 6. The weather........................nice yesterday. A. is B. was C. will be D. has been 7. Alexander. G. Bell ..................born on March 3, 1847. A. was B. is C. are D. is going to 8. We................two new fishing rods yesterday. A. would buy B. buy C. bought D. to buy 9. Last year, Hoa and Lan .....................to the same school. A. go B. went C. going D. to go 10. I (receive)...........................a letter yesterday. A. received B. receive C. receiving D. receives Bài 2: Chia động từ trong ngoặc ở thì quá khứ đơn. 1. She (spend) ____ all her money last week. 2. Mum (not spend) ___________ any money on herself. 3. I (lend) __________ my penknife to someone, but I can't remember who it was now. 4. John and his father (build) ___________ the cabin themselves last year. 5. My parents (sell) ____________ the stereo at a garage sale.