the sign mean "Be puiet"把上面的换成一般疑问句并作否定回答

what does the sign mean. the sign mean Be puiet把上面的换成一般疑问句并作否定回答 What does the sign mean in English? what does the sign mean咋回答 the sign on the wall _( mean)'no parking. The sign _____(mean)Do not touch.单词填空 Could someone tell me what does this sign mean in mathematics?The sign ^. 先看看,句型； what does the sign mean?it mean…… what do the signs——（mean）?the sign on the wall——（mean）“danger” 用sign,mean 造句用sign,mean造句 The sign on the building in the park meanDanger.错在哪? The sign on the grass mean 'Keep off the grass'改病句 What does that sign mean? what does this sign mean? what___the sign on the wall ___ [mean]? ----it ___[mean] you ___[not should] smoke in the room, 英语句子划线提问This sign means 'don't eat or drink'?划线部分thisThis sign means 'don't eat or drink'?划线部分是This是where‘s sign mean还是where’s the sign mean? does,it,kepp,what,off,grass,this,the,the,sign,mean,means(?.) what does the signkeep off the grass!mean?怎么回答