It is no good ______ today’s work fortomorrow.

ng got up very _______,so he came toschool half an hour ______.

You seem to know much about the city.—That’s true. I it four times in the last three years.

Nick is ______ busy ______ he has no time to have a meal with his family.

It is advised by health experts that windows should be opened now and then for air to _____, whichmakes the air in your room fresher. [ ]