一、选出下列每组单词中不同类的一项。
()1. A. eat B. book C. take
()2. A. three B. first C. seven
()3. A. third B. second C. two
()4. A. diary B. mother C. father
()5. A. Chinese B. fourth C. English

1. B 2. B 3. C 4. A 5. B

二、看图片,写序数词。

1. 2. 3.
4. 5. 6.
7. 8.

1. first 2. second 3. third
4. fourth 5. fifth 6. sixth
7. eighth 8. ninth

三、用所给单词的正确形式,完成句子。
1. Thursday is the ______ (five) day of the week.
2. There are ______ (eleven) books on the desk.
3. We'll ______ (sing) the birthday song at the party.
4. Mum's birthday is on April ______ (four).
5. I often do morning exercises at ______ (nine) o'clock.

1. fifth 2. eleven 3. sing
4. 4th 5. nine