They began to think about___ could be made of these valuable

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/10/04 19:12:05

They began to think about___ could be made of these valuable materials.
a how use
b full use
c better use
d what use
为什么不能选B

d
They began to think about [what use could be made of these valuable materials].
翻译：他们开始考虑这些有价值的材料可以有什么用
【】里是what引导的宾语从句
再问：充分利用。。。
再答：如果选B的话句子不完整，必须改为： They began to think about THE full use 【WHICH could be made of these valuable materials】.

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