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2 năm trước
Một căn phòng hình hộp cn có chiều rộng là 6,2m chiều dài hơn chiều rộng 2 m chiều cao 3,5 m người ta quét vôi trần nhà và các bức tường phía trong phòng tính diện tích cần quét vôi của căn phòng đó biết rằng diện tích các cửa bằng 8,25 mét vuông. Mọi ng giúp em với.
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Các câu hỏi liên quan

Use the correct tense of the verb given - Simple Past or Past Progressive : 1. The children ______________ (TAKE) the cake when nobody ___________________ (LOOK) and ________________ (EAT) it silently. 2. First she ______________ (READ) the advertisement and then she ______________ (CALL) the company. 3. The sun ______________ (SHINE) brightly when the old man ______________ (SET) off from his cottage. 4. At eight o’clock yesterday evening the plane ______________ (FLY) from Tahiti to Los Angeles. 5. I ______________ (WAIT) for him for quite a long time but he ______________ (NOT COME). 6. Last weekend while Julie ______________ (TIDY) her bedroom, she ______________ (FIND) some of the toys she ______________ (HAVE) when she ______________ (BE) a child. 7. As she ______________ (CROSS) the street, she ______________ (SLIP) and ______________ (FALL). 8. Yesterday when I ______________ (WALK) in the park, I ______________ (LOSE) my watch. 9. The fishing boat ______________ (APPROACH) the seashore when the tornado ______________ (BEGIN). 10. I ______________ (CAN) not hear the bell because the radio ______________ (PLAY) really loudly. 11. The aeroplane ______________ (CATCH) fire just when it ______________ (TAKE) off. 12. While my mother ______________ (COOK) dinner, we ______________ (PLAY) in the garden. 13. We all ______________ (SLEEP) when some terrible noise _______________ (WAKE) us up. 14. Poor Cinderella ______________ (HAVE) to work hard while her step-sisters ______________ (HAVE) fun at the ball. 15. Professor Ward ______________ (GIVE) the lecture when the students’ riots ______________ (BEGIN). 16. When I ______________ (OPEN) the door, John ______________ (LIE) on the sofa. 17. One of my worst memories from last winter holidays was when I ______________ (RUN) out of petrol while I ______________ (DRIVE) through a snowy forest in the evening. 18. The lights ______________ (GO) out when we ______________ (DISCUSS) the plans for the following morning.

Điền “although/ despite/ in spite of” vào chỗ trống thích hợp. 1. ________________ she has a good look, everybody hates her. 2. Jane seldom sees Jim ______they go to the same school. 3. ________________ her illness, Jane went to work yesterday. 4. ________________ it was chilly outside, we went fishing. 5. ________________ working hard, Peter failed the test. 6. ________________ the difficulties, Sarah managed to solve the problem. 7. My grandfather was very strong __________his old age. 8. The children slept deeply ________________ the noise. 9. ________________ the high salary, Marey refused the job offer. 10. ________________earning a high salary, Sara never wastes her money. 11. I find the film boring________________ many people like it. 12. ________________the bad weather, we went on our school picnic. 13. ________________the congestion, we weren’t late for the meeting. 14. ________________ he’s rich, he is always upset. 15. I couldn’t sleep________________ I was exhausted.

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