The light is still on. They to turn it off when they left the room. A. must forget B. must have forgotten C. may forget D. could have forgotten 查看更多

 

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The light is still on. They ___ to turn it off when they left the room.

A.must forget

B.could have forgotten

C.may forget

D.must have forgotten

 

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The light is still on. They ___ to turn it off when they left the room.

      A. must forget            B. could have forgotten

C. may forget             D. must have forgotten

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The light is still on. They ___ to turn it off when they left the room.

    A. must forget            B. could have forgotten

    C. may forget             D. must have forgotten

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The light is still on. They ___ to turn it off when they left the room.

    A. must forget      B. could have forgotten

C. may forget       D. must have forgotten

 

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The light is still on. They ___ to turn it off when they left the room.

A.must forgetB.could have forgotten
C.may forgetD.must have forgotten

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