--- Why? Tom, your shirt is so dirty!
--- Mum, I my storeroom downstairs.
A. cleaned
B. have cleaned
C. was cleaning
D. have been cleaning
--- Why? Tom, your shirt is so dirty! --- Mum, I my storeroom downstairs.A. cleanedB. hav
答案:2 悬赏:20 手机版
解决时间 2021-01-03 13:53
- 提问者网友：爱唱彩虹
- 2021-01-03 00:39
最佳答案
- 五星知识达人网友：千夜
- 2021-01-03 00:56
A. cleanedB. have cleanedC. was cleaning(答案→)D. have been cleaning解析：由上下文语境推出一直在做某事，同时对现在产生影响，衬衫脏。
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- 1楼网友：猎心人
- 2021-01-03 02:33
我明天再问问老师，叫他解释下这个问题
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