用所给词的正确形式填空。
【小题1】They visited “The World of Robots” on the __________ (two) floor.
【小题2】Alice is good at dancing. She is a good __________ (dance).
【小题3】Peter __________ (buy) a model plane yesterday.
【小题4】He __________ (can) eat five hamburgers a day ten years ago.
【小题5】Horses can run very __________ (fast).

下列每组单词中，选出不同类一项。
（    ）1. A. swim B. play     C.  birthday
（    ）2. A. 2rd B. 4th    C. Sat.
（    ）3. A. me B. my     C. them
（    ）4. A. under     B. on C. dear
（    ）5. A. swimming  B. morning C. shopping

根据括号中的数字填写合适的序数词或基数词（写单词）。
1、Bill is _________（11）years old , he is in Class_______（2）Grade_______（4）.
2、My birthday is on the_______________（3）of March .
3、September is the _______________（9）month in a year .
4、Which boy is thinner , the ______________（1）one or the ___________（2）one ?
5、There are _____________（12）apples on the desk .

选出每组单词中不同类的一项。

【小题1】

A．March B．Sunday C．July

【小题2】

A．week B．Monday C．Friday

【小题3】

A．second B．fifteenth C．fifty

【小题4】

A．hour B．minute C．time

【小题5】

A．eleventh B．eleven C．ten

September is the__________ month of the year. (    )

A．nine

B．nineth

C．ninth