1. Jane stayed behind after the class because she talked to the teacher. ( in order to = because)
2. Lam has taken part in many volunteer compaigns up to now. ( participate in = take part in: tham gia)
3. We encouraged people to recycle glass, cans and paper.
4. Mom suggests donating our old books, toys and clothes to charity.
5. What is she keen on riding a bicycle around the park in the afternoon. ( fancy = keen on)
6. When was you a member of Volunteers in Asia?
7. They have raised funds to help disabled children since early 2009.
8. The teacher started teaching these students 3 years ago.
