单项选择题

A．easily catch a cold
B．easily get tired
C．easily get anxious
D．feel depressed
<上一题 目录 下一题>
热门 试题

填空题
practical
单项选择题
All of the following words except ______ belong to the closed class.
A．them
B．which
C．unless
D．means
相关试题