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cho 39,5 gam k2so3 tác dụng với 200ml dung dịch hcl 2M sau phản ứng thu được V lít khí so2 tính thể tích V sau phản ứng dung dịch chứa những chất nào bao nhiêu gam
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Find the word which has a different sound in the part underlined: 1. A. stayed B. listened C. played D. stopped 2. A. why B. who C. when D. where 3. A. provided B. watched C. finished D. stopped 4. A. son B. come C. some D. open 5. A. meat B. reading C. bread D. seat 6. A. works B. plays C. wants D. stops 7. A. school B. chair C. chess D. chat 8. A. naked B. listened C. played D. opened B. VOCABULARY AND GRAMMAR. Question I. Choose the best answer (A, B, C or D) 1.The earth ____________________ round the sun. A. move B. moving C. moves D. to move 2.They like ____________________ English with native speaker. A. learning B. learn C. learns D. learned 3.My father____________________ me happy and comfortable. A. make always B. always make C. always makes D. always making 4. Children enjoy ____________________football. A. playing B. play C. played D. to play 5.Mr .Cuong ____________________ to New Zealand to visit my wife next week. A. will travel B. travels C. travelling D. to travel 6.Students ____________________ exercises every day. A. do B. does C. will do D. did 7.What do you often do ____________________ your free time ? A. on B. at C. in D. to 8. Do morning exercise________________ eat more fruit and vegetables. A. but B. or C. and D. so 9.Her parents live in Ha Noi , __________ she lives in Nha Trang. A.or B. but C. and D. for 10.Thanh enjoys ____________________ in the rain. A. walking B. to walk C. walks D. walke

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