make use of被动语态如何提问,及下列类型的题如何解释

题目

make use of被动语态如何提问,及下列类型的题如何解释
试题如下：They began to think about what use could be _____ such materials.
A made up B made from C made of D made out
They began to consider ______ use could _____ it.
A what,make of B what,be made of C how,make of D how,be made of

答案

C B首先,make use of是缺一不可的两个题都是同样的用法,what use could be made of ()括号里面的是被使用的东西陈述句是这样的：make use of such materials/make use of it.变成被动形式：(what) use could be made...