From what direction（）you approaching?

单项选择题We（）this port for replenishment of fuel oil.

A.is calling at
B.are calling at
C.is calling on
D.are calling on

单项选择题Stand by（）VHF CH16.

A.of
B.on
C.in
D.at

单项选择题M V Yanyuan No.1.（）is your course and speed?

A.When
B.Which
C.That
D.What

单项选择题When（）the pilot embark?

A.will
B.shall
C.can
D.may

单项选择题On which side（）I rig the pilot ladder.

A.will
B.can
C.shall
D.may