单项选择题

My mother is a light sleeper, ______ to any sound even as low as the humming of a mosquito

A．alert
B．acute
C．keen
D．immune
<上一题 目录 下一题>
热门 试题

单项选择题
The eldest son ______ all the family members to discuss how to celebrate the 50th wedding anniversary of their parents.
A．clustered
B．resembled
C．assembled
D．rendered
单项选择题
Delegates agree to the plan in ______ , but there were some details they didn’t approve.
A．discipline
B．theory
C．principle
D．nature
相关试题