英语必修2人教新课标unit2四川练习（1）及答案
unit 2 section ⅰ
ⅰ．单词拼写
1．most of the relief work was done by ________(志愿者)．
2．companies must be able to ________(竞争)in the marketplace．
3．this is a ________(定期的)bus service to the airport．
4．the olympic winner received a gold ________(牌)as an award．
5．her word has a ______
