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They___nothing to help the homeless girl during the last three days.
A have done B did C do D had
不选B是为什么
人气:419 ℃ 时间:2020-05-07 02:40:16
解答
你好.答案是A
语法:in / during / for / over + the last three days----用现在完成时,记住啦.
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