Four years（）my ship called at this port.

单项选择题The man（）you saw yesterday is my Chief Officer.

A.who
B.whom
C.what
D.whose

单项选择题The pilot wants to know（）my ship’s maximum speed is.

A.how much
B.how many
C.about
D.what

单项选择题He has been a Captain（）1992.

A.after
B.since
C.before
D.for

单项选择题There are still（）charts to be corrected.

A.few
B.a few
C.little
D.a little

单项选择题The vessel is at a speed of 16（）.

A.kilometers per hour
B.miles per hour
C.revolution per minute
D.meters per hour