Something has gone （）with the hatch cover.

单项选择题I can see （）in the dark hold.

A.anything
B.anybody
C.nothing
D.everything

单项选择题Please swing the derricks to （）.

A.bridge
B.shore side
C.deck
D.engine room

单项选择题Please swing the derricks （）wharf side.

A.to
B.in
C.at
D.for

单项选择题（）we swing the port derrick inboard?

A.Shall
B.Are
C.Is
D.Be

单项选择题（）is the rate of discharging here?

A.When
B.Why
C.What
D.Either A or B