( )_four years since he graduated from college.A.there have been B.it has C.it is D.it was

( )_four years since he graduated from college.A.there have been B.it has C.it is D.it was

题目
( )_four years since he graduated from college.A.there have been B.it has C.it is D.it was
The old man _ six years ago.
A.has died B.was dead C.has been dead D.died
答案
1 C(固定句型it's +一段时间+since 从句)
2 D ( six years ago 是一般过去时的标志,指死的动作)
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