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I don't think Jim saw me; he__ into space?可是为什么just staring前

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/21 09:14:09
I don't think Jim saw me; he__ into space?可是为什么just staring前面要加助动词was啊
I don't think Jim saw me; he__ into space
A,just stared B.was just staring
答案是选B,可是为什么just staring前面要加助动词was啊?
was 和 staring 一起构成【过去进行时】, 说明由于他当时在凝视太空, 所以认为他(吉姆)没有“看见”我

过去进行时: was/ were + v-ing


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