50 đơn vị 5 phần trăm dược viết là

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GIÚP MÌNH NHA! KO CẦN GIẢI THÍCH ĐÂU ( trước 5h20 ) Câu 8: If we all use this kind of bag, we .................... the environment. A. helps B. help C. to help D. will help Câu 9: Children ……….. drink milk every day. It’s good for them. A. ought B. don’t have to C. must not D. should Câu 10: The CD is …………..than the cassette. A. expensive B. expensiver C. more expensive D. much expensive Câu 11: Have you ever ………………..….a story? A. written B. write C. writes D. wrote Câu 12: Next week, he………….visit Eiffel tower in Paris A. will B. did C. is D. do Câu 13: It will be good if students ……………………..to school by bus A. will go B. going C. goes D. go Câu 14: What does “reuse” mean? A. Using something again B. Using something more C. Using something less D. Collect something Câu 15: Choose the letter A, B, C or D whose underlined part is pronunced differently from that of the others. A. worked B. stopped C. forced D. wanted Câu 16: Mary ……………………………… an hour ago. A. phoned B. has phoned C. phones D. was phoning Câu 17: Choose the word that doesn’t belong to the group A. bottle B. reduce C. glass D. paper Câu 18: Choose the word that doesn’t belong to the group A. worked B. studied C. known D. played Câu 19: ……….is your mother very busy? – Because she is going to have a meeting tomorrow. A. What B. Where C. Why D. How Câu 20: I think it ……………………….rain tomorrow. A. have B. will C. do D. does