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at this time后面可以用过去时、现在时。一般现在时：At this time of a year,it's quite common to see the leaves's falling down.  例句 he goes to school at this time of the day.(现在时) he was playing game at this time of yesterday.(过去进行时) he will be there at this time tomorrow.（将来时） (责任编辑：admin) |