单项选择题
A. Put two shackles into water. B. Two shackles in water. C. Keep two shackles in water. D. All A、B and C are correct.
A. Let go both anchors. B. Drop both anchors. C. Stand by two anchors. D. Stand by both anchors.
A. Heave up the cable and leave one shackle in water. B. Weigh anchor and leave one shackle in water. C. Lower the cable and leave one shackle in water. D. Drop anchor and leave one shackle in water.