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

Christopher Columbus （） eighteen years （） planning for that wonderful voyage which he made across the Atlantic Ocean.

A.spends；in
B.spent；on
C.has spent；on
D.had spent；in

你可能感興趣的試題

單項(xiàng)選擇題

Water can’t be used to put out fires of （）

A.Class A
B.Class B
C.Class C
D.B+C

單項(xiàng)選擇題

（）means the person designated as responsible for the development, implementation, revision and maintenance of the port facility security plan and for liaison with the ship security officers and company security officers.

A.Ship security officer
B.Company security officer
C.Port facility security officer
D.PSC officer