.
By the time he comes back, I’m sure we all these rooms of the lab. Therefore, he doesn’t have to return.
A. have cleaned
B. will be cleaning
C. will have cleaned
D. have been cleaning
.By the time he comes back, I’m sure we all these rooms of the lab. Therefore, he doesn’t
答案:2 悬赏:0 手机版
解决时间 2021-04-08 07:39
- 提问者网友：嘚啵嘚啵
- 2021-04-07 13:58
最佳答案
- 五星知识达人网友：逃夭
- 2021-04-07 14:40
A. have cleanedB. will be cleaning(答案→)C. will have cleanedD. have been cleaning解析：可联系答.案.网客服索取。
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- 1楼网友：狂恋
- 2021-04-07 15:25
我检查一下我的答案
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