单项选择题

Some linguists believe that the ______ age for children learning a foreign language is 5 to 8.

A．optimistic
B．optional
C．optimal
D．oppressed
<上一题 目录 下一题>
热门 试题

单项选择题
It all started in 1950, when people began to build their houses on the ______ of their cities.
A．paradises
B．omissions
C．orchards
D．outskirts
单项选择题
This problem should be discussed first, for it takes ______ over all the other issues.
A．precedence
B．prosperity
C．presumption
D．probability
相关试题