单项选择题
A.Varnish B.White paint C.Black paint D.Primer
The first coat to a bare metal surface is the （）(底漆).A....
单项选择题The first coat to a bare metal surface is the （）(底漆).
A.undercoat B.primer C.topcoat D.thinner
The nut is loose. Lend me a （）(螺丝刀) , please.A.scraperB...
单项选择题The nut is loose. Lend me a （）(螺丝刀) , please.
A.scraper B.cargo runner C.hammer D.screwdriver
Pull out the （）(钉子) with a claw hammer.A.nailsB.nutsC.s...
单项选择题Pull out the （）(钉子) with a claw hammer.
A.nails B.nuts C.spanners D.saws
