Mary is so quiet a girl that she seldom speaks in public places unless _________

题干

Mary is so quiet a girl that she seldom speaks in public places unless __________ to.

A．is spoken	B．is speaking
C．speaking	D．spoken

上一题下一题 0.64难度单项选择更新时间:2015-12-08 05:47:54

小学学科试题库

初中学科试题库

高中学科试题库