题目内容
18.持续last for.分析 last for 持续
解答 答案:last for 考查动词短语.last for用法是一样的,后面都加时间段名词,表示动作/状态持续的时间.如:The rain has been lasting for half an hour.雨已经下了半个小时了.
点评 对于单词短语的识记,要从词义着手,理解词性和常见用法或搭配,并能在语境中灵活运用
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