问题描述： She just (type)the letter before the boss came in. 1个回答 分类：英语 2014-09-25 问题解答： 我来补答 She just (typed)the letter before the boss came in.根据came 可知用一般过 再问： just 前面还有一个空 再答： She (had ) just (typed)the letter before the boss came in. 展开全文阅读
