---We could invite John and Barbara to the Friday night party.-Yes ? I’ll give them a

问题补充：

---We could invite John and Barbara to the Friday night party.

---Yes, ? I’ll give them a call now.

A. why not

B. what for

C. why

D. what

答案：

(答案→)A. why not

B. what for

C. why

D. what

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