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Thaotu28
2 năm trước
Cho tam giác MNP vuông tại M. Đường cao MK, kẻ KE và KF lần lượt vuông góc với MN và MP. Kẻ EI vuông góc với MK tại I. Chứng Minh Rằng: a)MN.MN=MF.MP b)KI.KN=EM.EN ( cảm ơn mn ạ)
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1. They (go) __ _ home after they (finish) ___ _ their study. 2. Yesterday when I (arrive) _______ to the party, they (already go) __home. 3. After the guests (leave) __ ________, she (go) ____ ______back into the living-room and (switch) __ ________off the light. 4. On arrival at home I (find) ___ _that she (just leave) _____ _____just a few minutes before. 5. Before he (go) _____ _ to bad, he (do) __ ________his homework. 6. When they (get) ____ ______to the place, the man (die) ______ 7. He (do) __ _______ nothing before he (see) ____ ___ me. 8. He (thank) ____ ______ me for what I (do) ____ ______ for him. 9. I (be) ___ _______ sorry that I (hurt) _ __ him. 10. After they (go) _ _, I (sit) _ _down and (rest) _ 11. When I (arrive) ___, the dinner (already, begin) 12. My friend (not see) ______me for many years when I (meet) __ last week. 13. He (learn) __________ English before he (leave) __________ for England. 14. In England, he soon (remember) __________ all he (learn) __________ before. 15. They (tell) __________ him they (not meet) __________ him before. 16. He (ask) __________ why we (come) __________ so early. 17. She (say) __________ that she (already, see) ___________ Dr. Rice. 18. By the time Bill (get) __________ there, the meeting (start) __________. 19. When we (arrive) __________ at our place, we (find) __________ that a burglar (break) ________in. Almost everybody (leave) _______ for home by the time we (arrive) _______.

1. They (go) __ _ home after they (finish) ___ _ their study. 2. Yesterday when I (arrive) _______ to the party, they (already go) __home. 3. After the guests (leave) __ ________, she (go) ____ ______back into the living-room and (switch) __ ________off the light. 4. On arrival at home I (find) ___ _that she (just leave) _____ _____just a few minutes before. 5. Before he (go) _____ _ to bad, he (do) __ ________his homework. 6. When they (get) ____ ______to the place, the man (die) ______ 7. He (do) __ _______ nothing before he (see) ____ ___ me. 8. He (thank) ____ ______ me for what I (do) ____ ______ for him. 9. I (be) ___ _______ sorry that I (hurt) _ __ him. 10. After they (go) _ _, I (sit) _ _down and (rest) _ 11. When I (arrive) ___, the dinner (already, begin) 12. My friend (not see) ______me for many years when I (meet) __ last week. 13. He (learn) __________ English before he (leave) __________ for England. 14. In England, he soon (remember) __________ all he (learn) __________ before. 15. They (tell) __________ him they (not meet) __________ him before. 16. He (ask) __________ why we (come) __________ so early. 17. She (say) __________ that she (already, see) ___________ Dr. Rice. 18. By the time Bill (get) __________ there, the meeting (start) __________. 19. When we (arrive) __________ at our place, we (find) __________ that a burglar (break) ________in. Almost everybody (leave) _______ for home by the time we (arrive) _______.

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