问题: 英语选择题
Haven you known each other for long?
Not very long,________we started to work in this company.
A.since
B.when
C.after
答案是A，可为什么另两个不能选？
解答:
Haven you known each other for long?
Not very long,________we started to work in this company.
A.since
B.when
C.after
when用于短暂性的动作
用after后就应跟一般现在时
则选择a
版权及免责声明
1、欢迎转载本网原创文章，转载敬请注明出处：侨谊留学（www.goesnet.org）；
2、本网转载媒体稿件旨在传播更多有益信息，并不代表同意该观点，本网不承担稿件侵权行为的连带责任；
3、在本网博客/论坛发表言论者，文责自负。
