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loga2017
2 năm trước
cho tam giác abc cân a đường cao ah từ h kẻ đường thẳng song song ab cắt ac ở k gọi g là giao điểm ah,bk cmr g trọng tâm mai là phải nộp r cứu minh vs <3
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Giúp mình với ạ Có giải thích mình cho câu trả lời hay nhất! 1. How he won the race impressed us all, __________? A. wasn’t it B. didn’t it C. did he D. didn’t he 2. ___________ my lesson by noon, I will come around. A. As soon as I am finishing B. After I have finished C. Before I had finished C. If I will finish 3. ___________, we went to as many islands as possible. A. Until I will have in Greece B. When we were in Greece C. As soon as I have been in Greece D. Before I had been in Greece 4. She will give the children their dinner ___________. A. before he comes home B. when he had come C. as soon as he is coming D. until he comes 5. He'll have to behave better ___________. A. until he is going to school B. until he has gone to school C. when he goes to school D. before he will be going to school 6. Arthur pretended not _____ hurt when his younger sister bit him. A. having B. be C. to have D. to have been 7. I truly appreciated _____ to give the commencement address, but I wasn’t able to accept the honor because of a previous commitment. A. asking B. to have asked C. to ask D. having been asked

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