你好.答案是A
語法：in / during / for / over + the last three days----用現(xiàn)在完成時(shí),記住啦.
They___nothing to help the homeless girl during the last three days.
They___nothing to help the homeless girl during the last three days.
A have done B did C do D had
不選B是為什么
A have done B did C do D had
不選B是為什么
其他人氣：769 ℃時(shí)間：2020-05-07 02:40:16
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