1. Linh is my close friend. We (know)............................................. each other for five years.
2. Lan says she enjoys (collect)......................... pens but she won’t continue her hobby next year.
3. We (not, clean)..................................... up the dirty streets in our area last Sunday.
4. They (not, start) ……………………………….the project yet.
5. America (discover) ……………………..……….by Christopher Columbus.
6. I think in the future people( prefer)…………………………. outdoor activities.
Loga
Sinh Học lớp 12
