Which is correct.Please explain it.1)How long has it been since this company was established?2)How long has the company been established?

which word is correct 行测题 which is correct?why? Which of the following is Not Correct? Which sentence is NOT correct?急… which sentence is correct?甚么意思 which is the correct one?这句话有语法错误吗? civil war or cival war?which is correct? is in our hand / is on our hand?which is the correct one? who is she? and who is her.which one is correct? tell me why bring the thing to there. Which is correct?which is correct.1)bring the thing to there2)bring along the thing to there. Which one is correct?He is ______ off retirement plans.A.waitingB.putsC.putD.stoppedE.putting which is right?Which is correct?Did she say,Where are we [going?]Did she say,Where are we [going?] in 1980s or in the 1980sAs i said...which one is correct? Which of the following is correct?请问翻译成中文是什么意思? are you Chinese or are you a Chinese?which is correct? 'my english has been improved' or 'my english has improved',which is correct? Do you want any/some bread?which is the correct choice?why?thank! which of the following is the correct superlative form of copiously?a)most copiously.b)copiousliest