单项选择题

A．resource
B．source
C．origin
D．reason
<上一题 目录 下一题>
热门 试题

单项选择题
How many states did the project expand to
A．Thirty.
B．Twenty-seven.
C．Eleven.
D．Fifty-four.
单项选择题
Researchers found hospital admissions for heart failure have______.
A．increased
B．dropped
C．been the same for twenty years
D．disappeared
相关试题