单项选择题
A. every month B. every two months C. every three months D. A or B
The （）of the derrick is 5 tons.A.GTB.SWLC.DWTD.TDW
单项选择题The （）of the derrick is 5 tons.
A.GT B.SWL C.DWT D.TDW
Have you got （）lashing wires?A.plentyB.muchC.a lotD.eno...
单项选择题Have you got （）lashing wires?
A.plenty B.much C.a lot D.enough
Something has gone wrong （）the winch.A.forB.withC.inD.t...
单项选择题Something has gone wrong （）the winch.
A.for B.with C.in D.to
