A refusal to work part of the day only may（）to be a strike even though such refusal is not in breach of contract.

A port is（）if the delay in leaving it would be such as ...

单项选择题A port is（）if the delay in leaving it would be such as to frustrate the adventure．

A port（）if more than ordinary prudence and skill is nee...

单项选择题A port（）if more than ordinary prudence and skill is needed to avoid exposure to danger there.

A mortgagee only（）entitled to all the freight which the...

单项选择题A mortgagee only（）entitled to all the freight which the ship is in the course of earning，when his possession of the ship comes into being.