求答案和分析 He doesn't know about it A 、what to say B 、how to say

He doesn't know what to say,for it is the first time that he It doesn't make any difference to me ( ) A. what you say B. （ ）He doesn't know ( ).A.what to do.B.what he can do .C.how he doesn't know what to say =he is _ _ _ for words He doesn't know ---A what to do B how to do 选那个,为什么, I'm thinking about_____ A.what to say it B.how to say C.what She doesn't know what to say __ do. Mary feally doesn't know __about it.A.what to do B.how to do He doesn't know__next.A,how to do;B,what to do it;C,where to I don't know ___.A.what to say and to do B.what to say or do I really don’t know what to ______ about such a thing.A.say It doesn't hurt to say 翻译