单项选择题
That sailor wants to use the （）(钢锯).
A.hack saw B.saw C.spanner D.file
单项选择题 Can I borrow your some （）(开口销).
单项选择题 There are some （）(螺栓) in the toolbox.
单项选择题 Please （）(打开) the hatch NO. 2.
