一、单词填空。
1.Have you learnt something about environment _____________(protect)?
2.We like Miss Gao because she often has _________(create) ways to teach us.
3._____________ (actual) I have been taught history for five years.
4.Helen Keller is one of the most ________(usual) women.She has helped many blind and deaf people.
5.The Internet is very ___________(use)，we can find a lot of information on it.
6.—What's the price of the _________(wood) desk?
