__________ are you from? [ ]
A. Where
B. What
C. This
答案：A
Studying alone, you are free to choose what to learn and when, ________ you don’t need others’ agreement.
A．while
B．if
C．though
D．as
下列属于公民的社会经济文化权利的有( )。
A．言论、出版自由
B．受教育权
C．继承权
D．退休权
