单项选择题

His ears are highly sensitive ______ any unusual sound in the machine.

A．of
B．on
C．to
D．by
<上一题 目录 下一题>
热门 试题

单项选择题
The real trouble ______ their lack of confidence in their abilities.
A．lies in
B．lies on
C．results in
D．leads to
单项选择题
Have you ever seen a ______ bag on the table
A．plastic small black
B．black small plastic
C．plastic black small
D．small black plastic
相关试题