情境交际：从II栏中选出I栏中各句的最佳应答语．
I
1.Must I wash the clothes now?
2.Could you Help me out,Ben?
3.What should we do to fight bird flu,Mr.Zhou?
4.Excuse me,may I talk with Mr.Lee?
5.We should eat healthy food to build up our bodies.
II
A.I know little about it.Let’s ask Dr.Liu.
B.Sorry,he is busy right now.
C.You are quite right.
D.OK.I’m coming.
E.No,you needn’t