Please don't run with scissors这是什么意思

Please don't run with scissors这是什么意思 Please don't leave water___while you brush your teethA.run B.runningC.being run D.to run理由 Don’t run away. Danny!please don’t run.为什么Danny是单数却不用does’t If we happen to run into each other,please don't sit next to please don't run and jump at the shop mall 错在那 please don't park Please you don't please don't thouch Please Don't please don't go please don't flit Please don't please don't let please don't say Please Don't Danny!please don’t run.是不是所有的祈使句中的动词均不用第三人称,如这一句,不用does’t ---Please don't run in the classroom!--___.A.Yea,please not B.Sorry,I won't C.not at all D.OK,thank you