用have/has been to/in,have gone to及go的各种形式填空.

用have/has been to/in,have gone to及go的各种形式填空.
1) Where is Jack?He __________ his country.
2) David ________ the park just now.
3) John _______ England since he came back.
4) How long _____ have _____ this village?
5) The Smiths ______ Beijing for years.
6) _____ you ever ____ America?-- Yes,I _____ there many times.
7) I _____ this school since three years ago.
8) Where is Jim?He _____ the farm.
9) When_____ he _____?He _______ an hour ago.
10) Would you like to _____ the zoo with me?---Yes,but I _____ there before.
11) Where _____ you _____ now?--- I ____ the zoo.
12) He often _____ swimming.
13) _____ you ______ there last year?
14) _____ they often ______ skating in winter?