1. Its our duty to protect our environment.
2. It is very important to take care of our environment
3. We should not throw litter onto the ground
4. We should not spit in a public place/ cut down the trees
5. We should plant more flowers and trees.
6. We must pick up some rubbish and throw it into a dustbin
7. If everyone makes contribution to protecting the environment, the world will become much more beautiful.
1. Last Sunday (Saturday), it was sunny (rainy, windy, foggy)
2. I got up very early (late). After breakfast I went to with my friends by bike,
3. We enjoyed ourselves.
4. We forgot the time. We didnt come back until 5 oclock.
5. We all felt very tired, but we were happy.
6. I thought I would never forget this trip.
7. Last summer, my parents and I went to Beijing for our holidays.
8. We visited a lot of places of interest.
9. We had a good time there.