It is difficult to do this exercise without listen to your teache

1. It is difficult to do this exercise without listen to your teacher
_ Doing.....
2. Planting tree in the park is good for your neighborhood
_ It.....
3. Listening to your teacher is necessary for his study
_ It.....
4. Painting this picture yourself is interesting
_ It.....
6. Cooking food with my mother every weekend is happy 
_ It.....
7. Watching a movie with our close friends is wonderful
_ It.....