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r. (4) All of us really (agree) with you. You should give up your idea. (5) You mustn’t watch TV before (finish) (do) your homework. (6) I don’t know if he (e) tomorrow. If he (e), please call me. (7) Mr. Liu told us he (teach) us Maths the next term. (8) They (know) each other for ten years by last year. 2. 探究學習 Thi