9.　　　 Judy does exercises __________ the morning.

8.　　　 He goes to visit his teacher _________ foot.

7.　　　 _________ dinner, I sometimes have an orange or a banana.

6.　　　 kitty wants to be a dancer when she grows up, so she dances _____ two hours every day.

5.　　　 Smoking is not good ________ health.

4.　　　 She has a basketball ________ her hand.

3.　　　 The supermarket is full _________ people.

2.　　　 There is no food ________ the fridge.

1.　　　 What do they have ________ dinner?

15、成为一名尖子生 ________16、健康的生活方式 ________________