来自冯云凤的问题
since后加现在完成时和一般过去时的区别比如It'sthreeyearssincehehasworkedthere.和It'sthreeyearssinceheworkedthere.有什么区别
since后加现在完成时和一般过去时的区别
比如
It'sthreeyearssincehehasworkedthere.和
It'sthreeyearssinceheworkedthere.有什么区别
1回答
2020-09-15 23:24