改错 1.Does this sign means‘Danger’?2.You shouldn’t smoking here..

改错 1.Does this sign means‘Danger’?2.You shouldn’t smoking here.. what does this sign mean? what does this sign mean 的意思 What does this sign mean?Where caWhat does this sign mean?Where can we find it? What does this sign mean?WhereWhat does this sign mean?Where can we find ? What does the sign on the wall means?改错 Does the sign on the cage interesting?(改错） What does this sign mean?可以写成 what is this sign mean?为什么? 改错:1.The child is chating with her friends2.This sign is circle,but that sign is triangle.3.Who want to be a doctor? What does this sign mean?换一种表达 Could someone tell me what does this sign mean in mathematics?The sign ^. ----What does the sign read?----No water to put out the fire.这是一题改错题, the sign says 改错 What does it mean What does this sign mean意思一样吗? 一道英语改错题救命啊!（ ）Does the sign interesting?_____ A是Does b是sign c是interesting,哪里错了,怎么改, what does the sign Does she know where borrow a book like this?改错 does,it,keep,what,off,grass,this,the,sign,mean,means(?.)