i was unhappy yesterday 改为一般疑问句为什么was要变成were
有关英语!be动词过去式中,was是单数,were是复数,如:Iwasplayingsocceryesterday.改为一般疑问句为什么was单数要改成were复数?...
有关英语!
be动词过去式中,was是单数,were是复数,如:
I was playing soccer yesterday.改为一般疑问句为什么was单数要改成were复数? 展开
be动词过去式中,was是单数,were是复数,如:
I was playing soccer yesterday.改为一般疑问句为什么was单数要改成were复数? 展开
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