单项选择题 Bids will be taken and opened for（）of contract at the offices of Messrs. Albright，Jenkins & Co.，the ship’s Agents，located in this city，on August 19，2007，at 9:00 A. M.

单项选择题 A partly submerged vessel or object being towed，which is not readily noticeable，shall show （） .

单项选择题 A notice of readiness is not valid unless it indicates that the vessel is ready to load or discharge as the case may be，at the time（）it is given.