下面这几道题的答案是什么？最好还有解释。
解释不要长篇大论，要针对这几道题的实际情况！
1.Could you tell me__?
A.when he has gone
B.why did you look worried
C.what's wrong with your legD.whom are you lokking for
2.Do you kown__?
A.who will visit Tim this SundayB.how soon will Tim come here
C.when was Tim born
D.where did Tim buy this book
回答最好是这样：A为什么不行，怎样改才行
回答得好的有追加。
急急急！！！
