18. A boy said, "The water in the river behind my house is always__________.”

   A. white         B. black        C. clean

17. Miss Li was telling the children what_____as like.

   A. water         B. air           C. earth

16. The students were having their __________ class.

   A. English       B. Chinese      C. chemistry

15. A. At 10:30       B. At 10:00       C. At 9:30

(四)、听短文，选择正确答案。

14. A. Holly did       B. Tina did       C. Neither did

13. A. Four cups      B. Two cups      C. Four bananas.

12. A. Grace         B. Tina          C. Tom

11. A. Because he has to do his homework.

   B. Because he has another movies to see.

   C. Because he has to help his parents with housework.

10. A. Yes, she does.     B. No, she didn't              C. Mary saw some seals.

(三)听对话，根据对话后提出的问题。选择正确答案。

9. A. I went to the beach  

B. He went to the aquarium   

C. He is going to take photos.