--    are you so happy? (    )
--Because we are back at school.

A．What

B．Why

C．Where

— ____ books do you have? (   )
—Two.

A．What

B．How

C．How many

选择正确的单词填空
Did dream song When slogans
1. The ___________ are “One world, one dream”.
2. Can you sing the ___________ You and Me?
3. ___________ did the 29 the Olympic Games begin?
4. ___________ you watch the Olympic Games on TV?
5. They have one ___________.

— ____ did you come back? （ ）
— Last week.

A．What

B．When

C．How

--- ____ do you like winter? (   )
---Because I like snow.

A．Why

B．When

C．What