Twenty plus twenty-four are _______. (   )

A．forty-four

B．forty

C．fourteen

模仿范例，写一写
例：14+6=" (" 20 )
--How much is fourteen and six?
--It is twenty.  
1. 12+7= (    )
--How much is______________ and______________?
--It is ______________.
2. 16+3= (    )
--How much is______________ and______________?
--It is______________.
3. 15+5= (    )
--How much is______________ and______________?
--It is ______________.
4. 13+4= (    )
--How much is______________ and______________?
--It is ______________.
5. 13+5= (    )
--How much is______________ and______________?
--It is ______________.

— Five boys? (    )
— Yes, ______ boys.

A．four

B．five

C．six

填空题。
【小题1】The bag __________ (have) got four wheels.
【小题2】There are two pens on the desk. The blue one is ________ (my).
【小题3】That yellow picture is ________ (you).
【小题4】Tom is __________ (twentieth) years old.
【小题5】My cousin __________ (speak) English every day.

They checked their birthdays one by    . ( )

A．one

B．two

C．first