一般过去时例句我需要一般过去时的例句,分别用AFTER,BEFORE,ONCE.造句的

问题描述:

一般过去时例句
我需要一般过去时的例句,分别用AFTER,BEFORE,ONCE.造句的

he was tired after working
he didnnot know anything before i told him
he once lost a book