_____________[A] sure [B] sick [C] aware [D] tired

– Are you sure about this？ －－ _______________.A、Absolutely.B、About what？C、Nice talking w

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– Would you open the door for me？ －－ _____________.A、I’m fine.B、It doesn’t matter.C、Sure

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He cannot be tired _______ he has walked only half a mile. A：since B：whether C：when

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Steve: Would you like to listen to some music？ Tracy: ______A．Are you sure？B．Really？C．As I

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_________(57)A.aware B.knowing C.pleased D.deligh

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A:__________? B: Sure its just around the corner.

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--May I see your tickets please? -- ______A No they’re mine.B No you can’t.C Sure.D Y

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