单项选择题

Most matter ______ three states: solid, liquid and gas.

A．have
B．has
C．are
<上一题 目录 下一题>
热门 试题

单项选择题
My aunt arrived here ______ a warm spring morning.
A．in
B．at
C．on
单项选择题
______ in the same class.
A．I and Bob is
B．Bob and I are
C．Bob and I am
相关试题