提示:Henry準(zhǔn)備去上海開會(huì)，打電話到航空公司訂票，工作人員Lillian 接聽了電話。

(L= Lillian; H = Henry)

L: Hello! This is Air China.    51     

H: Hello. I'd like to book a flight from Beijing to Shanghai.

L: Sure.   52    ?

H: This Saturday morning July 12.

L: OK. How many tickets?

H:   53   .

L: So, that's one ticket from Beijing to Shanghai.

H:    54   ?

L: Well, that will be 1 ,030 yuan.

H: OK. Can I book that now?

L: Certainly.

H:   55   ?

L: You' re welcome.

My brother worked（）than any other member in his team and got the first prize.

• A、hard
  
  

• B、.harder
  
  

• C、hardest
  
  

• D、hardly
  
  

Efficient teamwork can help a business to（）

• A、complete tasks quickly
  
  

• B、make operations difficult
  
  

• C、improve communication gradually
  
  

• D、.achieve leadership faster