"They didn’t take measures in time, otherwise the explosions ____．"some experts said．

— I suppose I’ll have to ask someone else to see me off .— I’m afraid so . I would see you off if I     ,but I      .

As is natural, a man as old as he ______ be very forgetful.

It is important that you _____ neatly and tidily _____ you feel confident for an interview.

The thief ________ in from the kitchen window as the door was closed.