单项选择题
A. crane B. life winch C. derrick D. cargo winch
Excuse me, may I （）your file?A.doB.getC.lendD.borrow
单项选择题Excuse me, may I （）your file?
A.do B.get C.lend D.borrow
All the cargo wires must be greased （）.A.wellB.goodC.ni...
单项选择题All the cargo wires must be greased （）.
A.well B.good C.nice D.perfect
I’ll thin down the（）for you right now.A.hammerB.pulleyC...
单项选择题I’ll thin down the（）for you right now.
A.hammer B.pulley C.paint D.bridge
