提示:Henry準(zhǔn)備去上海開(kāi)會(huì)，打電話到航空公司訂票，工作人員Lillian 接聽(tīng)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.

What did the parents do to Tom for two years before he went to college?（）

• A、They sent him to a school in Los Angeles
  
  

• B、They let him attend music programs
  
  

• C、.They hired a math teacher for him.
  
  

• D、They taught him at home.
  
  

Someone is knocking at the door , but whom can（）be?

• A、one
  
  

• B、he
  
  

• C、it
  
  

• D、she