This is the United States. It's the ____________. [ ]
A. U. S.
B. U. K.
答案：A
Our differences can’t be settled if you don’t change your_______.[ ]
A. attitude
B. advice
C. shortcoming
D. expression
小明买了1.2元和0.8元的邮票共20张，一共花了22元。这两种邮票各买了多少张？
