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— When will you come to Daqing?

— I will call you _____I arrive.

A. till             B. while     

C. as quickly as    D. as soon as

—Will you come to the dinner party?

---I won’t come unless Jenny ___________。

A．will be invited      B．can be invited      C．invited            D．is invited

--Will you come to the party? ---__________ you also invite Blade.

A. Why not          B. Only if              C. If not               D. When

------ Will you come to the dinner party?

------ I won’t come until Jenny __________.

A. can be invited          B. invited            C. is invited

—Will you come to the dinner party?
---I won’t come unless Jenny ___________。