1. The monkey is looking at in the mirror.

2. I bought the cake for .

3. The people did the work by .

4. I'll go there, if an opportunity presents .

5. The little girl burned with a match.

6. He prefers to work by .

7. You must all wash now.

8. The Romans were responsible for their downfall.

9. Arnold thought clever, but events proved him wrong.

10. You must do this exercise by .