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    9．---Don’t litter the ground, boy ,Look at the sign:: “Rubbish into the dustbin. -------Sorry. A, has throw B, was throw C, must throw D , must be thrown 【查看更多】

     

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    ---Don’t litter the ground, boy! Look at the sign: Rubbish ______ into the dustbin.

    ---Sorry.


    1. A.
      has throw
    2. B.
      was throw
    3. C.
      must throw
    4. D.
      must be thrown

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    ?Don't litter the ground, boy! Look at the sign "Rubbish ________ into the dustbin. "

    ?Sorry.

    A. has throw

    B. was throw

    C. must throw

    D. must be thrown

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    —Don’t litter the ground, boy. Look at the sign, “Rubbish must be thrown into the dustbin.”
    —Sorry, I’ll __________ right now.
    A．pick it up B．put it up C．pick up it D．put up it

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