nce存于句子中时,句子里第二个那啥词用过去式么
问题描述:
nce存于句子中时,句子里第二个那啥词用过去式么
就是I _____(study)in this school since Icame here
填个studied?
答
since存在与句子中句子多用现在完成进行时,所以应填have been studying