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n. A. cut down B. cut off C. cut up D. cut into 3. Do you take exercise every day ? Yes . I always _____ thirty minutes after supper . A. spend B. take C. cost D. pay 4. I _________ 300 yuan for the bike . A. spent B. cost C. took D paid 學習小結: 本節(jié)課你還有哪些知識點沒有掌握住,請把它們寫出來