They have ____signs in some places to remind(提醒)the visitors not to step on the

题干

They have ____signs in some places to remind(提醒)the visitors not to step on the grass。

A．put on	B．put up
C．put down	D．put out

上一题下一题 0.64难度单项选择更新时间:2014-06-16 06:33:48

小学学科试题库

初中学科试题库

高中学科试题库