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【单选题】
Mary __ my letter; otherwise she would have replied before now.(1991.考研题)
A.
couldn’t have received
B.
ought to have received
C.
has received
D.
shouldn’t have received
题目标签：考研题
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】As it turned out to be a small house party, we __ so formally.(1998.考研题)
A.
needn’t dress up
B.
did not need have dressed up
C.
did not need dress up
D.
needn’t have dressed up
【单选题】They lost their way in the forest, and __ made matters worse was that night began to fall. (1991. 考研题)
A.
that
B.
what
C.
it
D.
which
【单选题】Mary __ my letter; otherwise she would have replied before now.(1991.考研题)
A.
couldn’t have received
B.
ought to have received
C.
has received
D.
shouldn’t have received