题目内容：

英语选择练习4 选什么为什么
1 He is unfit for the job,( )
2 He isn't unfit for the job,( )
a isn't he b is he c dosen't he d does he

优质解答

1.a 动词是is 就用is 反问,前边没有否定,后边就用否定,注意unfit 是形容词,不是否定
2.b 前边否定,后边就用肯定啦