____ is known to us all is that the old worker, for _____ life was hard in the past, still works hard in his seventies.

If you’re unable to come to the interview, you should us immediately.

int is not who said the words, _____they are true or not.

Morning，class！Good luck to all of you in the exam!—Morning，teacher.________.

Are you still very busy? — Yes, I_____the report for the manager and it won’t take long