题目内容：

单句改错 1 Linda hardly ever has time for concerts,doesn't she?
2 Betty used to chew gun a lot ,doesn't she
3 Life is great when l was six years old

优质解答

1.doesn't 改为 does
因为 hardly ever 表示否定含义
2.doesn't 改为 didn't
因为used 是过去式
3.is 改成was
因为后面 was 是过去式