10.　 What about ______ (climb) the mountains ?

9. 　What ________he __________(do) when his grandmother fell down?

8. We students can study in the classroom in _____________(silent) without teachers.

7. My ___________(fly) to New York was very exciting last weekend.

6. I was ____________(surprise) to see you in this such party.

5. We _______________(watch) the movie when the electricity was off.

4. It began to rain outside while Tom ____________(eat) supper.

3. She told me that she ____________(get) high grades in the math test.

2. I heard him _______________(cook) something in the kitchen last night.

1. They’re _____________(argue) the pollution with their teacher.