单项选择题

A since B. if C. as D. while
<上一题 目录 下一题>
热门 试题

单项选择题
A. that B. what C, whichever D. whatever
A. that
B. what C, whichever
D. whatever
单项选择题
We can infer from the first paragraph that______.
A．scientists can never predict earthquakes
B．the ability to predict earthquakes is overstated
C．quite a few scientific claims are groundless
D．earthquake predictions are accurate
相关试题