单项选择题
（） should be removed and disposed of first.
A.Dirty B.Garbage C.Paint D.Water
单项选择题 The rubbish should be collected on the poop deck and disposed of （）miles off the land.
单项选择题 The rubbish should be collected on （）and disposed of 25 miles off the land.
单项选择题 You’d better use （）to remove the oil on the plates.
