单项选择题

Before 8,000 B.C. wheat did not grow as prolifically ______ it does today.

A．like
B．as
C．for
D．than
<上一题 目录 下一题>
热门 试题

单项选择题
The policemen went into action ______ they heard the alarm.
A．promptly
B．quickly
C．presently
D．directly
单项选择题
______, work songs often exhibit the song culture of a people in a fundamental form.
A．They occur where they are
B．Occurring where
C．Wherever they occur
D．Where do they occur
相关试题