1. We took part in a clean-up campaign last week.

last week=> qkđ: S+ Ved/cột 2

take part in+ N/Ving: tham gia

2. We removed the litter in public areas such as streets parks.

=> qkđ: S+ Ved/cột 2

remove sth: laoij bỏ cái gì

3. We also planted may trees along the roads in the city

=> qkđ: S+ Ved/cột 2

4. This volunteer activity often helps keep the environment safe, clean, and healthy.

keep sth p2: giữ cái gì đó tnao 

5. I like doing this activity because it gives me a chance to contribute to  the community.

like+ Ving: thích làm gì

because+ clause: bưởi vì

give sb a chance: cho ai cơ hội