英语与中文不同,单一个comma"逗号",是不能分开两句完整的句子.
如果没有连词,那只存在主句和从句.
只有连词才能分开两句完整的句子,所以a,b不对,c也不对,因为是被取消.
all flight having been canceled,是独立主格结构,相当于从句:because all flight had been canceled......
选D是因为被动语态作伴随~
只有连词才能分开两句完整的句子,所以a,b不对,c也不对,因为是被取消.
all flight having been canceled,是独立主格结构,相当于从句:because all flight had been canceled......
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