2.I haven't seen my uncle for 2 years
3. I'll talk to him when I reach my office .
4. Mom suggests donating our old books, toys and clothes to charity .
5. Jane stayed behind after the class because she wanted to talk to the teacher .
6. They've not been to Korea before .
7. When did you join to be a member of Volunteers in Asia ?
8. We encouraged recycling glass, cans and paper.
Bạn cho mình ctlnh nha<3 Thanks! Chúc bạn học tốt :))