why not___this evening? Good idea. A.eat dinner B.eat out C.to eat D.to eat out
问题描述：
why not___this evening? Good idea. A.eat dinner B.eat out C.to eat D.to eat out
答
B eat out 出去吃
Why not do sth.为什么不做某事 （ +动词原形A/ B,eat dinner吃晚饭,和题意不符,所以选B)