--Are you sure that your electron is really lost?--I'm positive

ARE YOU SURE{?}THAT? Are you sure of that are you sure that is right? Are you sure that...that引导什么从句? before you judge me make sure that you are perfect Are you make sure that you can do it? 是什么意思? Are you sure that he is all right,doctor. are you sure that tom is at home怎么回答 英语翻译Why are you so sure that it is a 英语翻译Are you sure? Are you sure? sure .here you are. are you sure 英语翻译Are you sure? are you sure? really?are you sure? be sure that与 make sure that的区别________that the TVand the light are turned off when you leave.填be sure 还是make sure 为什么？ are you sure they are