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單項選擇題

0perational tests of ship’s equipment should（）out.

A.be carried
B.carry
C.carrying
D.to carry

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單項選擇題

0ur bosun is（）lookout on the forecastle now.

A.at
B.in
C.for
D.on

單項選擇題

0ur engine has a（）of 10000 horse-power.

A.liability
B.ability
C.capacity
D.responsibility