单项选择题
There are some （）(贯穿螺栓) in the toolbox.
A. through bolts B. nuts C. bolts D. split pins
单项选择题 All the （）(金属板) and paint are to be supplied by the shipyard.
单项选择题 Sailors have to spend most of their time in （）(除锈) and painting.
单项选择题 The （）(地脚货) and broken dunnages in the holds have to be removed.
