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tiieubangg
2 năm trước
Cho tam giác ABC vuông tại A , đường cao AH. Gọi D và E lần lượt là điểm đối xứng của H qua AB và AC. a)Chứng minh A là trung điểm của DE. b)tứ giác BDCE là hình thang vuông
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Exercise 1: write the passive form of the verbs in brackets. 1. A new flyover………………………………………………. in Da Nang city.(build) 2. Some narrow streets…………………………………………in our area now .( widen) 3. Her car…………………………………………………..in the garage at present.( repair) 4. The children ………………………………………………at home.( look after) 5. …………….she………………………….by the police at the moment? (interview) Exercise 2: write the following sentences into the passive voice. They are doing a research on reducing pollution. → ……………………………………………………………………………………….. 2. Someone is following me. →…………………………………………………………………………………………… 3. Nobody is looking after the children. →…………………………………………………………………………………………… 4. Who is he following ? →…………………………………………………………………………………………… 5. What are they doing at the moment? →……………………………………………………………………………………………

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