The court has the power to（）the time for commencing arbitration proceedings if it is of the opinion that in the circumstances of the case undue hardship would otherwise be caused.

The approach to the roads and harbor from the（）entails ...

单项选择题The approach to the roads and harbor from the（）entails no difficulty.

Sometimes a tropical storm moves so slowly that a vesse...

单项选择题Sometimes a tropical storm moves so slowly that a vessel，if astern of it，can（）it.

Some of these shoals have been disproved and are not ch...

单项选择题Some of these shoals have been disproved and are not charted. Nevertheless mariners should （）with particular caution in this area.