单项选择题

The policeman kept his eyes ______ on the screen of the computer to identify the criminal's footprints.

A．fixed
B．fixing
C．being fixed
D．to fix
<上一题 目录 下一题>
热门 试题

单项选择题
The professor, ______ as a splendid speaker, was warmly received by the students.
A．known
B．knowing
C．to be known
D．having known
单项选择题
There is no evidence ______ oil price will come down in the near future.
A．which
B．that
C．where
D．as
相关试题