题目内容：

第一节 词性转换

1.attach→ n. __________________

2.persuade→ adj._________________

3.remain→adj. _________________

4.popular → v.__________________

5.reason→adv._________________

6.pure→v. _____________________

7.criticise→n.__________________

8.mercy→adj.____________________

9.fog→adj.___________________

10.responsible→opp_______________