1) There are a lot kinds of trees in the park.
2) Lady Gaga is popular singer.
3) True is better than false.
4) I have vocabulary about Chinese words.
5) My mother is scientist.
6) I had scientific experiment yesterday.
7) Laura has got angel voice.
8) Air in the city is worse than in the village.
9) Air pollution is our big problem.
10) Pank culture is very interesting.