Put the verbs in brackets into the Present Perfect.
1 (answer) I ..................................................................
2 (live) He ....................................................................
3 (clean ) You .............................................................
4 (visit ) She ..............................................................
5 (ask) I ....................................................................
6 (open) It .................................................................
7 (listen ) We ...........................................................
8 (help ) She ........................................................
9 ( listen ) They ....................................................
10 (collect ) I ........................................................