What if 和What about、Why not的区别_____ you join us for lunch?A.What about B.What if C.why D.Why not

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What if 和What about、Why not的区别_____ you join us for lunch?A.What about B.What if C.why D.Why not
What if 和What about、Why not的区别
_____ you join us for lunch?A.What about B.What if C.why D.Why not

What if 和What about、Why not的区别_____ you join us for lunch?A.What about B.What if C.why D.Why not
答案：B
解释：
1、what if 表示“如果...就会怎么样”,后面可以接句子,而其余的都不能.
2、what about = how about 表示“...怎么样”,后面名词、代词或者动词的ing形式/
3、why 表示“为什么”,后面要加助动词才对.
4、why not = why don't you, 后接动词原形.
5、综上所述,正确答案是B.
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B.What if
what if 假使…将会怎么样
你来跟我们一起吃午饭怎么样?
What about doing =Why not do? 表示建议:做。。。。怎么样？
Why =what for ? 为什么，问原因。

选择题选D

what about 和 how about 和 what if 的区别 what about,what if,how if和how What if 和What about、Why not的区别_____ you join us for lunch?A.What about B.What if C.why D.Why not what if和how about在什么情况下能互换what if和how about区别有些什么,在什么情况下能互换? what if 和 why if 和how what about和how about的区别? what about 和 how about 的用法? what about和how about的区别 what about to do 和 what about doing 的区别 what about what about what about what about what about what about what about...和how about .的区别例如：What about chopsticks?How about a drangon kite? If i say i miss you,what about you If i say i miss you,what about you