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huyle698102
2 năm trước
bai1: Cho tam giác ABC, Trên cạnh BC lấy điểm D sao cho BD/BC =1 phần 4. điểm I thuộc đoạn AD sao cho ID=2AI , gọi K là giao điểm của BI và AC. Tính tỉ số AK/KC
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Ex 2. Put the verbs into the right form. 1. How often you (go) to school? 2. My mother (do) housework now. 3. Mai and Lan (often /go) fishing on Sundays. 4. You (do) your homework everyday? 5. It is ten o’clock. We (learn) our lesson. 6. What you (do) now? – I (unload) the vegetables. 7. Your mother (walk) to work everyday? 8. They (not/play) soccer in the morning. 9. Where are your children ? - They (play) video games upstairs. 10. Some animals (not/ eat) in the winter. 11. They (not/ watch) TV very often 12. Listen! Somebody (sing) 13. You can turn off the radio. I (not/listen) to it now. 14. He (not/usually drive) to work. He usually (walk) 15. I can't go out with you now. Tu (teach) me English 16. What Peter (do) now? He (clean) his room. 17. It’s 9 .p.m now .I (study) English. 18. I can’t sleep because my sister (listen) to music now. 19. You shouldn’t go out now .It (rain) 20. Everyday he walks to school but today he (go) by bike 21. Look ! They (climb) the tree. 22. The moon (move) around the earth. 23. How many months there (be) in a year?- There (be) 12 24. Keep silent! Children (learn) how to fry rice

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