问题补充：
— Mrs. Smith, do you think it is wise for you to give your children they want?
— No, that is I am mistaken.
A. whatever; where
B. what; where
C. whatever; how
D. what; how
答案：
(答案→)A. whatever; where
B. what; where
C. whatever; how
D. what; how
解析：本题考查名词性从句的运用。whatever引导宾语从句，相当于anything that。where与how都可用来引导表语从句，但只有where符合句意。此句的意思是：这正是我的错误之处。）
