1. B)根据句意及括号内所给单词的提示填空。

1. （1） His father is good at(play)the violin．

3. （2） Mrs．Green often tells(story)to us in class．

5. （3） My sister is ten months old，and she has four(tooth)．

7. （4） He wants to buy two(hundred) apples．

9. （5） Bill gets(dress)quickly and goes out to exercise every moming．