—Has Tom finished his task yet?
—I’m not sure. But he on it last week
A. was working
B. has been working
C. worked
D. had been working
—Has Tom finished his task yet?—I’m not sure. But he on it last weekA. was workingB. has
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解决时间 2021-12-18 23:25
- 提问者网友：温柔港
- 2021-12-17 23:25
最佳答案
- 五星知识达人网友：怙棘
- 2021-12-18 00:08
(答案→)A. was workingB. has been workingC. workedD. had been working解析：考查时态。句意：——Tom完成了他的任务吗？——我不确定。但是他上周一直致力于这个任务。根据语境，说明与过去有关，且表示过去一段时间（last week）内一直在做某事，故使用过去进行时。
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- 1楼网友：持酒劝斜阳
- 2021-12-18 01:07
这个解释是对的
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