Question

Historically, _____ main material for making tables has been wood, but _____ metal and stone have also been used.

A．the; the

B．the; /

C．/; the

D．/; /

Answer 1

B

考查定冠词的用法。main material后面有修饰语for making a table，因此是特指，加定冠词，后面的metal和stone表示材料，都是物质名词，不加冠词。