用所给词的适当形式填空。
[[QOrDeR]]December is the __________ (twelve) month of the year.
【小题2】January 1st is __________ (call) New Year's Day.
【小题3】Lucy and Lily are __________ (swim) in the river.
【小题4】Mary usually (通常) __________ (get) presents on her birthday.
【小题5】We go __________ (camp) in the mountains.
【小题6】Each of the students __________ (have) a bike.
【小题7】Listen There is a girl __________ (sing).
【小题8】Kate, __________ (give) me a piece of—paper, please.
【小题9】We're going to learn the __________ (five) unit tomorrow.
【小题10】What an __________ (interest) film!