The professor________at 8 o’clock，but he has not shown up yet，which worries all of us.[ ]

According to a report, cigarette smoking ______ in all indoor public places in our province soon

The doctor insisted that the patient _______ seriously ill and that an operation _______ in no time.

Where is Ben—He ________ to the teachers’ office He will be back soon

For many years we have been keepingin ____by sending each other e-mails or phone calls