A.are not preserved
B.is not preserved
C.were preserved
D.have not been preserved
A.were
B.was
C.has been
D.is
开始考试点击查看答案A.are telling
B.is telling
C.are given
D.were given
开始考试点击查看答案A.is not decided
B.are not decided
C.has not decided
D.have not decided
开始考试点击查看答案A.hasn't been decided
B.haven't decided
C.isn't being decided
D.aren't decided
开始考试点击查看答案A.knows
B.know
C.have known
D.am to know
开始考试点击查看答案A.have
B.had
C.have been
D.has been
开始考试点击查看答案A.goingtobe
B./
C.is
D.that
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