(   ) 2. English is very important,so I practice        it very hard.

   A. speaks   B. to speak   C. speaking   D. speak

（    ) 1. Every year lots of trees___________to make our country more beautiful.

   A. is planted   B. was planted

   C. are planted   D. were planted

5. The telephone was invented by Bell. (对画线部分提问)

________________________________ the telephone________________ by?

4. I think the computer is the most useful invention. (对画线部分提问) 

________________________________is the most useful invention?

3. English is spoken by people all over the world. (改为主动语态) 

People all over the world________________________________ .

2. People grow a lot of rice in the south of China every year. (改为被动语态) 

A lot of rice________________________________ in the south of China every year.

1. Over 40        people were injured in the accident yesterday. (改为同义句) ________________________________40 people were injured in the accident yesterday.

(   ) 10. You can        the cake        ten pieces.

   A. divide;into   B. be divided;into

   C. divide;among   D. be divided;among

(   ) 9. Mary       to the party yesterday.

   A. invited   B. has invited

   C. was invited   D. were invited

(   ) 8. I think the mountains        with trees in a few years' time.

   A. are covered   B. will be covered

   C. are covering   D. will cover