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20.As I will be away for at least a year, I’d appreciate     from you now and then     me

how everyone is getting along. 

A.hearing ; tell    B.to hear ; tell    C.hearing ; telling   D.to hear ; to tell

试题详情

19._____, I think, and the problems could be settled.

   A.A bit more efforts      B.Making greater efforts

C.If you double your efforts     D.So long as you make more efforts

试题详情


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