by himself
意思是：独自地、单独地
on himself 也可以.
He went to the supermarket alone.（改为同义句） He went to the supermarket ____ ________
He went to the supermarket alone.（改为同义句） He went to the supermarket ____ ________
英语人气：542 ℃时间：2019-12-17 07:02:07
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