() 4.(2015 •河北) This food is free. You don't have to it

A. look for     B. pay for

C. ask for      D. wait for

() 3. It took them half a day treesArbor Day this year

A. to plant;in   B. planting;on

C. to plant;on   D. planting;in

() 2. 一 What are they going to do this weekend?

—They are going to their bedrooms.

A. cleaning up      B. clean up

C. cleaned up       D. cleans up

() 1.(201o 8 重厭)- Our basketball team will beat theirs and win the match

— Your team is the best in our city.

A. I'm afraid not.      B. I believe so.

C. Of course not.       D. Well done!

8. They are twins. I can’t tell the (different) between them.

7. To play with matches is very (danger) to children.

6. Students in some junior schools can (learn) to play tennis or baseball in PE lessons.

5. How cool!That college student is (unable) to speak four kinds of languages.

4. My parents had to (clean) up our house after the party last Friday.

3. They (plant) trees in the park last week.