1.We live in a world______only the strongest can make it to the top.

题目

1.We live in a world______only the strongest can make it to the top.
A.what B.of which C.in which D.that
2.Look!everything is under construction.
What's the pretty small house that______for.
A.is building B.has been built C.is built D.is being built
3.If we concider this problem in greater detail,we_______a solution to it
A.have found B.will find C.would find D.are finding
为什么1题不选D.二楼说that要做定语从句中的主语.那我可不可以认为后面是that引导的定语从句修饰world的呢?
第三题under construction应为正在建设中的意思啊.可一楼怎么会用is being built,那不就代表还没建设的么
大家回答时麻烦把自己的答案也写上,最好能够带解释.

答案

1B
2D
3C