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Bittet
2 năm trước
đốt cháy hoàn toàn 16.8gam fe cần vừa đủ 4.48 lit oxi tạo thành một oxit sắt .Xác định ct phân tử của oxit sắt
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Complete each sentence with a suitable verb: 1.Don’t forget ……………………. the letter I gave you. 2.I’m not in a hurry. I don’t mind ………………….. 3. We were hungry, so I suggested ………………………. dinner early. 4. Our neighbor threatened ………………………….. the police if we didn’t stop the noise. 5. I’m still looking for a job but I hope ………………….. something soon. 6. It’s a nice day. Does anyone fancy …………………….. for a walk? 7. Her parents wouldn’t let her ………………….. out alone. 8. When you see Mary, remember ……………………. Her my regards, won’t you? 9. Someone must have taken my bag. I clearly remember …………………… it by the window and now it has gone. 10. I believe that what I said was fair. I don’t regret ……………………. it 11. I can’t go on ……………….. here anymore. I want a different job. 12. I was very tired. I tried ……………………… my eyes open but I couldn’t. 13. The windows are dirty. They need …………………….. 14. – Would you like ………………… down? – No, thanks. I’ll stand. TENSES OR FORMS OF VERBS 1/ I (type) ………………… 10 letters today. 2. I don’t know the answer. I wish/I only I (know) ………………………….. it. 3. As I walked past, I heard them (sing) …………………….. happily. 4. My father (retire) ………………. from his job in two years’ time. 5. When I came, they (sing) …………………. happily. 6. When I came, the match already (start) ………………………….. 8. We had a plumber (fix) …………………….. the pipe. We had the pipe (fix) …………………………. 9. If I (meet) ……………………….. her, I will tell her to call you. 10. This building (build) ……………………….. 150 years ago. 11. Since I (come) …………………., I have made a lot of friends in the new schools. 12. It’s high time we (repaint) …………………… our house. It looks so old, 13. My uncle is a heavy smoker. He gets used to (smoke)………………….. 14. I would rather you (not play) ……………………. online games. 15. We must wait until the match (start) ………………………… PHRASAL VERBS Somebody has to the baby. (Take care of) 2.She wants to the truth? (Discover) can I the sweater? (See if it fits) 4. . (be quick) 5. Why don't you ? (Take a seat) 6. I will the train now. (Enter) 2. the word in a dictionary. (Consult a dictionary) 3. I want to the form. (Complete) 4. Tom ………………………… playing football years ago. (stopped) 5. I try to ring Mary, but I couldn’t ……………………………..(make contact) 6. The firemen the fire.(Extinguish) Passed away, do without, look forward to, called off, made up, carried away, break out, run out, put up with, keep up. 1. Don't smoke in the forest. Fires easily at this time of the year. 2. I seeing my friends again. 3. I'm afraid; we have of apple juice. Will an orange juice do? 4. Your website has helped me a lot to the good work. 5. A friend of mine has her wedding. 6. His mother can't his terrible behavior anymore. 7. As an excuse for being late, she a whole story. 8. I got by his enthusiasm. 9. I just cannot my mobile. I always keep it with me. 10. she was very sad because her father last week. II/ Complete the sentences with the given phrasal verbs Cut off - go on – get up – look after- turn down – turn on – turn off – see off – look for – go off –keep on – give up- turn round – take off - get on 1.She turned the vase over to ………………..the 0price. 2. Officers should …………………all the lights during the night. 3. During the daytime, when the room is light enough, do not ………………..the turn lights. 4.Lan often………............ her younger sister when her mother is our of town. 5. Her father ………….smoking last month. 6.. If we ……………….using more and more cars, we’ll run out of gas. 7. Let’s work together to ……………..a better way to reduce energy use. 8. We heard the bomb ……………..five miles away. 9. Sarah …………………suddenly in the night. 10. Why did you …………………..such a good offer? 11. The man in front …………………..and stared at me. 12. I was late for school as my alarm didn’t ……………this morning.

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