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khanhhuyendinh2008
2 năm trước
3/ Trình bày quá trình thụ tinh, kết hạt và tạo quả.
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1. Ba and Tam usually go fishing........................the weekends. (on, in, from, at) 2. The students will visit the capital.........................the summer. (on, in, at, of) 3. They heard a very strange noise............................midnight. (on, in, at, out) 4. Our little brother took a long nap from 1p.m.......4p.m. (till, up, between, at) 5. She talked........................an hour to persuade her parents. (in, for, at, up to) 6. They have learned English............many years. (since, for, in, from) 7. The boys often go skiing..........................the winter. (in, at, on, for) 8. I’ve studied French................................3 months. (for, since, in) 9. I arrived.......................the bus stop at 4 in the afternoon. (in, at, on, to) 10. We have lived in Hanoi............................4 years. (in, since, for, at) 11. She was born................................16th January. (in, of, at, on) 12. I’ve studied French................................last week. (for, since, in) 13. arrived at the bus stop at 4 ........................ the after

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