Open the brackets using the correct form of the gerund.

6. She tried to avoid ..... (to speak) to.
7. He showed no sign of ..... (to recognize) her and she showed no sign of ..... (to surprise) by it.
8. After ..... (to look through) and ..... (to mark) the students' papers, the teacher handed them back.
9. After ..... (to look) trough and ..... (to mark), the papers were handed back to the students.
10. You never mentioned ..... (to be) to Greece