1.healthy [健康的]
2.secretly [secretly修饰动词pass,所以用副词形式]
3.harmful [此句换成陈述句型为:Too much perming is harmful to hair]
4.Listening [动词原形不能做主语,V-ing则可以]
1.healthy [健康的]
2.secretly [secretly修饰动词pass,所以用副词形式]
3.harmful [此句换成陈述句型为:Too much perming is harmful to hair]
4.Listening [动词原形不能做主语,V-ing则可以]