單項選擇題

Cleaning is a frequent （）on board a ship.

A.duty
B.responsibility
C.job
D.work

你可能感興趣的試題

單項選擇題

Please return it after （）it.

A.use
B.used
C.using
D.to use

單項選擇題

The chief officer is responsible （）the overall maintenance of deck department.

A.for
B.to
C.with
D.of