A.velocity of current in knots
B.direction from which the current folws
C.estima ed current
D.direction toward which the current flows
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A.before
B.when
C.after
D.during
A.bollard
B.bitt
C.stem
D.keel
A.the port of destination
B.the next port of call
C.the port of arrival
D.the last port of call
A.on
B.in
C.with
D.for
A.that had been driven
B.had been driven
C.have been driven
D.which to have been driven
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