1.started to learn
2.buy
3.enjoy yourselves
4.helps with
5.used to do
7.the same idea as
8.helped do
9.is famous for
10.offers(provide sb with sth=provide sth for sb=offer sth to sb=offer sb sth)
14.harmful(be not good for=be bad for=be harmful to=be of a harm to)
15.passed me the book(pass sb sth=pass sth to sb)
16.anyone else
18.prevent from raining
19.warned not to stay
20.will start
21.he is as old as me
22.built
23.coming back
24.die
25.more than
26.disappear now
27.more polluted than
29.all the time
30.was based on