(  )

A．It’s twelve o’clock.

B．It’s twelve thirty.

用英语写出下列数字。
1. 14 __________ 2. 15 __________
3. 16 __________ 4. 17 __________
5. 18 __________ 6. 19 __________

Three dogs have ______ legs. (   )

A．twelve

B．ten

C．fourteen

Read and write(用所给词的适当形式填空)
【小题1】—Is this your new bicycle, Alice?
—No, it’s not _________ bicycle. __________is over there. Please bring it to _________. (I)
【小题2】—Look! There are three _________ on the table. Which _________ do you like?
—The blue one. (poster)
【小题3】There are _________ days in October. Halloween is on the _________ day. (thirty-one)
【小题4】—Does Mary like __________?
—Yes, she can __________ very well. She _________ twice a week. (swim)

读一读，找规律，将合适的数字代号写在横线上。

A．ten

B．nine

C．twelve

D．eight

E．eleven

1. ________________eleven ten nine
2. two four six________________
3. five seven ________________eleven
4. ________________eight six four
5. ________________nine seven five