We can’t put off _____ a plan .

This tall building has _______ floors. And Tony lives on the ______ floor.

I told her we weren’t going to be friends any morebecause she couldn’t ________ .

．Weagreed ______here but so far she hasn’t turned up yet．

28．—You must be tired after the flight. You’d better take a good rest.—Yes, I _________. Thank you.