—— Why? Tom, your shirt is so dirty!
—— Mum, I ＿＿＿＿＿ my storeroom downstairs。
A. cleaned
B. have worked
C. was cleaning
D. have been cleaning
—— Why? Tom, your shirt is so dirty! —— Mum, I ＿＿＿＿＿ my storeroom downstairs。A. cleanedB.
答案:2 悬赏:40 手机版
解决时间 2021-12-29 17:28
- 提问者网友：温柔港
- 2021-12-28 17:32
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- 五星知识达人网友：北方的南先生
- 2021-12-28 17:54
A. cleanedB. have worked C. was cleaning(答案→)D. have been cleaning解析：现在完成进行时表示从过去某时到现在一直在进行的动作。
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- 1楼网友：鱼芗
- 2021-12-28 19:23
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