单项选择题

We have four computers in our office but（）of them are in good order.

A．all
B．none
C．one
D．both

<上一题 目录 下一题>
热门 试题

单项选择题
I called Tom at his office, but the voice （） answered the phone was not his.

A．who
B．whom
C．which
D．when
单项选择题
Mary got a cold so she（）stay in bed right now.

A．can
B．may
C．needs
D．could
相关试题