31.- Shall Mary come to the concert with us? -Not she has finished her paper. A.since B.once C.when D.unless 查看更多

 

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Shall Mary come to the concert with us?

    -Not        she has finished her paper.

A.since          B.once           C.when         D.unless

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— Shall Mary come to the concert with us?

    -Not        she has finished her paper.

A.since          B.once           C.when         D.unless

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— Shall Mary come to the concert with us?

    -Not_____she has finished her paper.

A.since          B.once           C.when         D.unless

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— Shall Mary come to the concert with us

Not_____she has finished her paper

A.since????????? B.once?????????? Cwhen???????? Dunless

 

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— Shall Mary come to the concert with us?

  -Not    she has finished her paper.

  A.since     B.once      C.when     D.unless

 

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