Yuo must keep off on the grass同义句转换

Yuo must keep off on the grass同义句转换 keep on,keep up.keep off.的意思 【put off 】【take off 】【set off 】【ran off】【hold on 】【keep on】【go on】【carry 英语选择题理由····-Must I turn off the gas after all these years,let's____each other from now on.A.keep up with B.keep out of C.keep in touch with D.keep touching what are yuo on we must keep the ( )on the road we must keep the( ) on the road 第三道,选什么?on,keep off,keep with,keep in分别是第三道,选什么?解释一下Keep on,keep off,keep with,keep in分别是什么意思? keep off keep off keep off take off The sign on the grass mensKeep off the grass.(改为一般疑问句,画线部分提问：keep off the grass) The sign on the grass mensKeep off the grass.(改为一般疑问句,画线部分提问：keep off the grass) All the beepers and mobile phones must ___ in classA.keep off B.take off C.be taken off D.be kept off you must keep off the grass; you mustn't pick the flowers; you mustn't litter. keep,you,grass,must,the,off连词组句我加50分! You must keep the mobile phone off during the meeting.(改为被动语态） keep out,keep off,与keep on的区别再找一下either 的用法.o(∩_∩)o