Had I learnt English well, I____ the interview for the job tomorrow.

______ smoking, he would not have got cancer in the lung.

It has been announced that passengers ____ remain in their seats until the dangerous subjects have been removed.

--Who is late for class again? --________ you ask? Tim, of course．

. “You ___ not be too careful in the exam. Do and check your papers carefully and you ____ not take your papers out of the examination room after the exam.” the teacher told us before the exam.