Trung bình một người thợ làm xong 1 sản phẩm hết 1 giờ 8 phút. Lần thứ nhất người đó làm được 9 sản phẩm. Lần thứ hai người đó làm được 8 sản phẩm. Hỏi cả hai lần người đó phải làm trong bao nhiêu thời gian?

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Giúp môn tiếng anh ạ, cần gấp trong hôm nay.... trả lời đầy đủ thì mình hứa sẽ vote 5* :> I> Combine each pair of the sentences, using “who, whom or which”. 1. The building has now been rebuilt. It was destroyed in the fire. ……………………………………………………………………………………………… 2. We study with Mr. John. He’s a very good and funny teacher. ……………………………………………………………………………………………… 3. The man was very kind. I talked to him yesterday morning. ……………………………………………………………………………………………… 4. They are repairing the house. They bought it last July. ……………………………………………………………………………………………… 5. I’d like to visit the Citadel in Hue. It was built under the Nguyen Dynasty. ……………………………………………………………………………………………… II> Fill in the blanks with the appropriate form of the words in parentheses. 1. In many countries ………………….., people crowd the streets to watch colorful parades on Easter day. (WORLD) 2. Although her house is near the beach, she ……………. goes swimming. (RARE) 3. Vietnamese people are proud of their ………………… celebrations. (TRADITION) 4. It was very ………………. of you to send me such beautiful flowers. (CONSIDER) III> Complete the following sentences. 1. Let me congratulate you on ………………………………………………………… 2. It’s very kind of …………………………………………………………………… 3. We went out for a walk though …………………………………………………… 4. Tet is a festival which ……………………………………………………………… 5. Is that the teacher whom …………………………………………………………. 6. The man who ………………………………………………………………………