无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

<dl id="9r34i"></dl>

<pre id="9r34i"><strong id="9r34i"></strong></pre>

<code id="9r34i"></code>

<ruby id="9r34i"><output id="9r34i"></output></ruby>

單項選擇題

The main tasks for sailors on duty are, first of all,（）the persons who come on board to do their business.

A.received
B.receives
C.receiving
D.receive

你可能感興趣的試題

單項選擇題

Where are （）goods carried on board?

A.danger
B.dangerous
C.A+B
D.A or B

單項選擇題

（）social instruction on cargo securing.

A.Has
B.Had
C.Have
D.Having

<ruby id="dl2gb"><xmp id="dl2gb"></xmp></ruby>

<pre id="dl2gb"><strong id="dl2gb"></strong></pre>