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2. He bought these laptops ______ of the school council. 3. Drunk driving and speeding ______ his being arrested. 4. As a teacher, I must ______ my students. 5. Some adjectives also ______ adverbs. 6. Shall we have a party ______ his ing? 7. A lot of private cars in big cities frequently ______ the traffic. 8. The newlybuilt expressway ______ the two big cities, making the munication between the cities more frequently than ever. 9. They decided to __________ construction so as to finish building the gymnasium earlier. Ⅲ .同義句轉(zhuǎn)換 1. The big room can be used as either a living room or a dining room. The big room can ______ ______ either a living room or a dining room. 2. The conference sped up the technological and economic development of the area.