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dangcapladay
2 năm trước
cho 23.676 g hỗn hợp 3 kim loại Mg Al Cu tác dụng hết với O2 thu đc 34.14g hỗn hợp gồm 3 oxit. Hỏi để hòa tan hết lượng hỗn hợp oxit đó Cần ít nhất bao nhiêu ml dung dịch hỗn hợp 2 axit HCL và H2SO4 1.5 M Giúp Mik vs
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(III) verb form and tenses: 16. We should.................. Som charity events to help poor children (hold) 17. They ............ A lot of children now (have) 18. My father would like ..............some warm clothes (donate) 19. Yesterday, she ...............a famous singer to the party (invite). 20. i would like............toothbrushes for poor children ( donate) 21. My mother .....................Ha Noi two months ago (visit) 22. There ................enough places for all people (be) 23. We should................ The community (help) 24. Teacher were very happy ..................a fail in their school playground last week (hold). 25. They...............clother to charity now (donate) 26. The biggest effect of overpopulation in there ...................... Enough jobs (be,not) 27. Toby.....................a survey about population two days ago (make) 28. Who should we .................in our community? (Help) 29. How about..................... Old paper? ( recycle) 30. Are you interested in ....................old books for the poor children? (Donate). ( IV )Complete the sencond sentence so that it has a similar meaning to the first: 1. My sister will visit Ha Noi tomorrow. Ha Noi.............................. 2. Mr Lam doesn't have a computer. Mr lam wishes...................... 3. My father water the flowers every day The flowers.........................

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