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vuvttalone11k5
2 năm trước
Tìm x thuộc Z bt : a) x.(x+3)=0 b) (x-2).(5-x)=0 c) (x-1).(x^2+1)=0
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2.1. Bài tập thì Quá khứ tiếp diễn cơ bản Bài 1: Chia động từ ở trong ngoặc ở thì quá khứ tiếp diễn để hoàn thành câu 1. I lost my keys when I ________ (walk) home. 2. It was raining while we ________ (have) dinner. 3. I saw the department stores when I ________ (sit) on the bus. 4. Her phone rang while she ________ (talk) to her new boss. 5. My friends ________ (drive) to work when they heard the news on the radio. 6. He ________ (ride) his bicycle when the cat ran across the road. 7. We couldn’t go to the beach yesterday because it ________. (rain) 8. It was a lovely day. The sun was shining and the birds ________ (sing) in the trees. 9. The tourist lost his camera while he _____ (walk) around the city. 10. The lorry _____ (go) very fast when it hit our car. 11. I _______ (walk) down the street when it began to rain. 12. At this time last year, I _______ (attend) an English course. 13. Jim ________ (stand) under the tree when he heard an explosion. 14. While I _____ (study) in my room, my roommates ________ (have) a party in the other room. 15. Mary and I _________ (dance) the house when the telephone rang. Bài 2: Viết thành câu hoàn chỉnh ở thì quá khứ tiếp diễn dựa trên từ gợi ý 1. (they / take the exam?) 2. (when / he / work there?) 3. (you / make dinner?) 4. (they / drink coffee when you arrived?) 5. (when / we / sleep?) 6. (they / study last night) 7. (we / talk when the accident happened) 8. (he / not / exercise enough) 9. (I / talk too much?) 10. (it / not / snow) 11. (how / they / feel?) 12. (they / not / talk) 13. (where / I / stay?) 14. (why / he / study on a Saturday night?) 15. (I / go to school when you saw me) 16. (you / sleep at 6am) 17. (she / work when I called) 17. (we / not / leave when you called) 18. (I / not / stay in a hotel) 19. (we / make too much noise?)

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