为什么用一般过去式?has your husband returned from shanghai yet?Yes,but he ______at home for only three days before he went to jepan on business.用was为什么?去日本是went 之前不是过去的过去吗？
来源：学生作业帮助网 编辑：作业帮 时间：2024/10/20 12:01:10
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