A.runB.ranC.runningD.runingLook here, the paint is （）do……

单项选择题（）of mast paint shall we put on?

A. What coats
B. How much coat
C. How many coats
D. Where coats

单项选择题Finally, a wire brush should be used on all bare （）to remove the last of the scale.

A.metal
B.wood
C.cement
D.all the above

单项选择题The （）plates should be scraped and brushed to bare metal.

A.rusty
B.tidy
C.dirty
D.cleaned

单项选择题The rusty plates should be wiped clean before paint is （）.

A.applied
B.supplied
C.placed
D.watered

单项选择题Before an area can be repainted, preparation is （）.

A.good
B.useless
C.necessary
D.bad