英語：用方框中動詞的正確形式填空 .
1.The girl was born in America.It is easy for her _____ English.
2.Mary likes singing.I always hear her ____ in her room.
3.I often see Tom _____ in the chair with his toys.
4.Is it necessary _____ this article.
5.It is raining outside.Do you mind _____ the window?
6.I like painting so much.I want _____ an artist.
7.My parents ask me ____ train tickets for them.
8.Mary isn't at school.I saw her _____ to music at home!