1. Last Saturday , Anna and his friends ( volunteer ) ...... at the soup chicken . 2. We ( clean up ) ..... the park near our school last week . 3. My parents ( raise ) ...... money to help the local children'ss hospital two years ago . 4. Last week , lots of students ( donate ) .... books and clothes they ( not use ) ....... any more to poor children in their town . 5. Our school ( collect ) ........ all of the donations and sent them to poor people . 6. They ( plant ) .... frees in the streets to make their town cleaner . 7. Jenny ( take ) ..... a lot of photos last week . 8. My brother ( wash ) .... his car yesterday morning . 9. We ( help ) ..... some poor children in our neighborhood study English last year . 10. We ( plant ) ..... to recycle all those papers two weeks ago