单项选择题
The steering oar in a lifeboat is usually referred to as the（）.
A.bumpkin oar B.stroke oar C.sweep oar D.becket oar
单项选择题 The steering oar in a lifeboat is（）.
单项选择题 The maximum number of passengers a T-Boat may carry（）.
单项选择题 The light on a life jacket must be replaced（）.
