6. There are a lot of in the sky.It's (cloud) .

5. —How's the weather in Shanghai?

  —It's (rain) .

4. —What's the weather like today?

  —It's (snow) .

3. —How's the weather tomorrow?

 —It's (wind) .

2. It's kind of hot because it's (sun) .

1. Look!They (study) English under the tree over there.

13. It's (危险的) to play football in the street.

12. Oh,it's too (闷热) today. It's hard to breathe (呼吸) !

11. The students are listening to music.They are really very   (放松) .

10. It often (下雨) in Harbin.