完成对话，每空一词。

( A )

A: Can I help you ?        

B: Yes, 1_______. I’d like a sweater.

A: We have quite a few here. How 2________ this one?

B: Good.3 _______ 4_______ are they?          

A: Ten dollars.

B: OK. I’ll 5 _______ it. Thank you very much.    

A: You are 6 _______.

( B )

Lucy: Hello, Jack.      

Jack: Hello, Lucy. Who is that boy 7_______ blue?

Lucy: 8_______ name is Bill.        

Jack: 9_______ 10_______ is he?

Lucy : He is 12 11 _______ old.        

Jack:12 _______ is his birthday?

Lucy: His birthday is November 11th.

目标是否明确是团队成功的重要原因，（）是重要的影响因素？

A、团队成员水平不一

B、完成时间太久

C、目标模凌两可

D、信息传递的途径太长