em làm mấy câu chị để trống nha
VI
3 Raw sewage is pumped directly into the sea.
4. the best way to reduce garbage is to reuse and recycle thing
VII
7. cấu trúc the last time + s + V (ed) + was + time + ago
the last time i had in this village was May ago
VII
4. i am writing about my trip to dalat to tell you
5. I’m pleased that you are working hard