单项选择题 I undertake to bring to the notice of the Suez Canal Authorities，before my vessel（）the Canal，any defects which may appear.

单项选择题 I hereby（）that my vessel is fitted with a rudder angle indicator and an engine revolution indicator on the bridge in such a position that the pilot may read both without having to move away from his station; and that the rudder angle indicator and engine revolution indicator are in good working condition.

单项选择题 I have been（）that we are to shift from the wharf to buoys No.12 and No.13.