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The crude oil overflowed from measuring-hole due to()the valve of No.1 tank.
A.not close
B.not closing
C.not have closed
D.no closing
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The current rates()excess of 2 kn may occur with prolonged strong winds.
A.by
B.with
C.on
D.in
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The damage was caused()the stevedores.
A.for
B.by
C.at
D.in
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