单项选择题
All the （）in hold No.3 should be bagged.
A.sweep B.sweeping C.sweepings D.dunnage
单项选择题 I was told not to use （）in handling bagged cargoes.
单项选择题 Before opening the hatch covers, all cleats are to be （）.
单项选择题 A （）is used for lifting long heavy cargo.
