问题补充:
I just wonder that makes him so excited.
A. why it does
B. what he does
C. how it is
D. what it is
答案:
A. why it does
B. what he does
C. how it is
(答案→)D. what it is
解析:考查强调句的特殊问句做宾语从句的用法:句意:我想知道是什么让他那么兴奋。强调句的特殊疑问词是what,由I wonder可知后面是宾语从句,宾语从句中用陈述语序,故D项正确。