Highly( )craftspeople are needed for the renovation and repair of the plumbing systems.
A．natured B．mended
C．skilled D．turned
答案：C 【解析】A选项nature自然；B 选项mend修补； D 选项turn变成；C选项skill技术。根据句意，需要非
常熟练的工匠。所以这题应该选择C。
