(1分)We on this project for fo…——2010 高考英语第 4 题答案解析

2010_天津卷 (英语)

2010 天津 第 4 题 单选题 区分题
2010_天津卷 (英语)

4. (1分)We on this project for four hours.Let's have a rest. (  )

A. are working
B. have been working
C. worked
D. had worked
参考答案

B

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