单项选择题

Education is_________ for all school-age children in many a country.

A．extensive
B．sophisticated
C．voluntary
D．compulsory
<上一题 目录 下一题>
热门 试题

单项选择题
It is very useful and almost exact first approximation, valid to the situation in which we apply _________it.
A．for
B．to
C．on
D．from
单项选择题
They are well_________ with each other since they once studied in the same university.
A．recognized
B．accustomed
C．informed
D．acquainted
相关试题