(   ) 5. You should avoid        time     something useless.

   A. spend;on   B. spending;on

   C. spend;in   D. spending;in

(   ) 4.     seems that he has something exciting to say.

   A. It   B. This   C. That   D. It's

(   ) 3. This kind of tea     in Hangzhou,China.

   A. produces   B. produce

   C. is produced   D. are produced

(   ) 2. Chinese     by the most people in the world.

   A. speak   B. is speak

   C. is spoken   D. is speaking

(   ) 1. Many trees     on the mountains every year. So the air is very fresh.

   A. plant   B. are planted

   C. planted   D. were planted

8. Listening to some soft music is good     sleeping.

7. Children        18 can't enter the net bars (网吧) .

6. I like winter,especially when the ground is covered     snow.

5. China is famous     the Great Wall.

4. The kite is made     my father.