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hienxuka1106
2 năm trước
Cho tam giác ABC đường cao AH. Gọi I là trung điểm AC, E là điểm đối xứng với H qua I. Tứ giác AHCE là hình gì? Giúp em vs
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VII. Complete the sentences with the correct form of have to and the verbs in brackets. 1. When visiting a temple, tourists ___________ (follow) some important customs. 2. The secretary ___________ (answer) all the phone calls at work. 3. I ___________ (go) to work tomorrow. There’s a holiday. 4. ___________ we ___________ (buy) another ticket to see this part of the castle? 5. Everyone ___________ (recycle) as much as possible. 6. Susan ___________ (come) to the town with us if she doesn’t want to. 7. In our country, children ___________ (wear) a uniform at school. 8. ___________ he ___________ (do) his work tonight? Can he do it tomorrow? 9. You ___________ (put) a stamp on this letter. It says FREEPOST on it. 10. We ___________ (stop) talking when the lesson starts. 11. ___________ all the students ___________ (take) the final test? 12. She ___________ (take) an umbrella. I’m sure it isn’t going to rain. 13. I ___________ (leave) the party early last night – I wasn’t very well. 14. It was a lovely holiday. We ___________ (do) anything. 15. The children are happy because they ___________ (do) any homework today.

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