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Untilthen,thisfamilyfromhimforsixmonths.Adidn'tBhasn'tbeenhearingChadn'theardDhasn'theard看到untilthen,是用一般过去式吗?

题目详情
Until then,this family_____from him for six months.
Adidn't Bhasn't been hearing Chadn't heard Dhasn't heard
看到until then ,是用一般过去式吗?
▼优质解答
答案和解析
用过去完成时
for six months,要用完成时
until then,要用过去时,所以…
C