问题补充:
. No one knows exactly after .
A. what will our world look like
B. how will our world look like
C. what our world will look like
D. how our world will look like
答案:
A. what will our world look like
B. how will our world look like
(答案→)C. what our world will look like
D. how our world will look like
解析:本题考查名词性从句。句中what引导宾语从句,在从句中作look like的宾语,并且用陈述语序。句意:没有人确切知道之后世界会是什么样子。