11. The hall is clean,because they_( clean)  it.

10.1_(hear)from my uncle just  now.

9. We_( plant) all the trees  already.

8. Tony_( finish) all his work. Look! He is  relaxing

himself.

7. My friend Brian _(live) in Guangzhou for  three

years.

6.1_( read) this book, so I don't want to  read it again.

5.Look! The children _( play) games under  the big

tree

4. People_(have)a lot of free time in the  future.

3. Mr Smith_(taste) many kinds of  Chinese food.