单项选择题
A.making
B.to make
C.being made
D.to be made
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单项选择题
A.ofB.inC.withD.from
A.of
B.in
C.with
D.from
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单项选择题
A.wasB.have beenC.wereD.has been
A.was
B.have been
C.were
D.has been
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