A.steel
B.copper
C.bross
D.zinc
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A.because
B.in reason of
C.owing to
D.for
A.onto the wharf
B.moved astern
C.into the dock
D.moored alongside
A.in addition to
B.in connection with
C.in accordance with
D.in relation to
A.oil
B.rig
C.release
D.paint
A.approval
B.authorization
C.consideration
D.discussion
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