Choose the correct answer.选择正确的答案。

1.当别人向你道谢时，你应该如何回应？        [ ]

A. No!    

B.You' re welcome.

C.Yes!

2.你向售货员询问多个物品价格时，应该怎么说？    [ ]

A. How much are they?    

B. How many are there?

C. I'll take two,please!

3.想知道超市里是不是有苹果，你应该怎么问？      [ ]

A. Yes, please.    

B. Do you have any apples?

C. No, thanks.

It was an exciting moment for these football fans this year, ______ for the first time in years 

their team won the World Cup.

A．that

B．while

C．which

D．when