52._________A. attendingB. registeringC. inviting

178 children who are【B13】______in a multidisciplinary researchA.enrolledB.registeringC.ent

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We invited him to the party the next weekend, but he _____ the invitation.A、refusedB、r

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以下SIPmethod中，有可能被借用来作为VOIP心跳消息的是：________。A.PRACKB.CANCELC.INVITED.OPT

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_________(52)A.attending B.registeringC.living D.

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_________(52)A.attending B.registeringC.living D.

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_________(53)A.provide B.proveC.invite D.suggest

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It’s my great honor ___________to give a speech at the opening ceremony. A) to invit

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