1.You can(A)Mr.wang for help.
A.turn to[求助于某人,开始做]
B.turn for
C.turn over [考虑,移交]
D.turn up[调响,被发现,到达,找到]
[根据意思来,就是A
2.I don't think that you have met him,(B)?
A.do you B.have you
C.do I D.haven't you
[don't是否定,所以后面是肯定,have met,说明后面用have]
3.You'd better(B).
A.take off it B.take it off
C.to take off it D.to take it off
[You'd better do sth.,代词在中间}