Ⅰ.单词拼写
根据汉语或首字母提示，写出下列单词
1．They began to regret the purchase (购买)of the car.
2．A library catalogue (目录)tells us the names of all the books in the library.
3．She has set up a voluntary (志愿的)organization providing help for the elderly.
4．How did you celebrate your fifth wedding anniversary?
5．It is clear that the new machine is operating smoothly.
6．We need some people to distribute brochures for our products to the passersby.
