97免费在线观看视频,亚洲综合自拍网,黄色毛片免费观看,热久久综合网,免费看日产一区二区三区狠狠操av,久久久涩涩涩,在线精品免费视频,人人插天天干,久久91精品国产91久久

單項(xiàng)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(xiàng)選擇題

Please return it after （）it.

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

單項(xiàng)選擇題

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

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

<dd id="glorw"><dfn id="glorw"></dfn></dd>