一、单词拼写。
结合语境，根据括号中的汉语提示写出单词的适当形式。
1. It’s ________ (愚蠢的) to force your feet into a pair of shoes that are too small for you.
2. In the US and Canada, there are not many places where you can ________ (讨价还价).
3. She’s been ________ (结婚) for seven years and has two daughters.
