赞题库-背景图
单项选择题


A．been
B．is
C．are
D．were
<上一题 目录 下一题>
热门试题

单项选择题A．forB．becauseC．sinceD．as

A．for
B．because
C．since
D．as

单项选择题A．will be fallenB．would fallC．could be fallenD．may be fallen

A．will be fallen
B．would fall
C．could be fallen
D．may be fallen