单项选择题
After the anchor reaches the bottom,（）the engine room that power and water are finished with.
A.note B.notice C.ask D.inform
单项选择题 In anchor orders, “Up and down” means “（）”.
单项选择题 The expression “Drop anchor” means “（）”.
单项选择题 According to the report, the ship hit the wharf when （）.
