初三 英语 英语翻译句子 请详细解答,谢谢! (13 13:28:29)

1.Did you use to wear long hair?（留什么样的头发,一般用wear）
2.There used to be only a library in our city.
3.Vera used to be afraid of the dark,didn't she?
4.Did he use to be interested in music?