问题补充:
I wonder you were doing last night.
A. it was what that
B. what was it that
C. that what it was
D. what it was that
答案:
A. it was what that
B. what was it that
C. that what it was
(答案→)D. what it was that
解析:本题强调特殊疑问词。宾语从句用陈述句语序。其中特殊疑问词在句中做宾语从句的宾语。