单项选择题

I' m sorry to have taken up too much of your ______ time.

A．worthy
B．valuable
C．valueless
D．struck
<上一题 目录 下一题>
热门 试题

单项选择题
If ______ to a high temperature, ice will change to water.
A．heating
B．being heated
C．to heat
D．heated
单项选择题
Gases are not like solids ______ they have an infinite volume.
A．at that
B．with that
C．for that
D．in that
相关试题