have been busy fighting drought中有兩個語法點：
首先,你需要知道固定搭配be busy doing something ,意思是“忙于做某事”；
然后,have done是現(xiàn)在完成時,表示從過去一直做到現(xiàn)在,而現(xiàn)在的狀態(tài)是已經(jīng)完成了這件事情.
望采納.
all these last few days,we have been busy fighting drought.
all these last few days,we have been busy fighting drought.
為什么要用have been busy fighting ,請詳解,
為什么要用have been busy fighting ,請詳解,
英語人氣：796 ℃時間：2020-03-13 03:05:51
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