相关考题
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单项选择题
Cleaning is a frequent （）on board a ship.
A.duty
B.responsibility
C.job
D.work -
单项选择题
Please return it after （）it.
A.use
B.used
C.using
D.to use -
单项选择题
The chief officer is responsible （）the overall maintenance of deck department.
A.for
B.to
C.with
D.of
