my sister -------(stay)in Beijing for three months last year

问题描述:

my sister _______(stay)in Beijing for three months last year
为什么用stayed不用has been staying
1个回答 分类:英语 2014-10-04

问题解答:

我来补答
last year暗示是去年的动作(现在不在北京了).所以用过去时.has been staying表示一直(至今)待在北京.
 
 
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