—I usually go to bed at__________.   (   )
—Oh, it's not late.

A．eight ten

B．eleven fifty

C．two o'clock

看图写出数字的英文表达
1.   _______________
2.  _______________
3.  _______________
4.  _______________
5. _______________

选词填空。
【小题1】There are ________ (twelve; twelfth) months in a year. December is the ________ (twelve; twelfth) month.
【小题2】Sunday is the ________ (one; first) day of a week.
【小题3】There are ________ (seven; seventh) days in a week.
【小题4】My birthday is in ________ (June; July). It’s the sixth month of the year.
【小题5】There are ________ (eleven; eleventh) girls in the game. Lucy is the ________ (eleven; eleventh).

读一读写出数学算式。
1. How much is thirteen and ten? 
________ + ________ = ________
2. How much is twenty and eleven?
________ + ________ = ________
3. Twelve and three is fifteen.
________ + ________ = ________
4. Nine and fifteen is twenty-four.
________ + ________ = ________

(  )

A．eighteen eggs

B．eight eggs