---I want to know if I can smoke here?---No, you _________. Could you see the sign “NO SMOKING” there?
---_________ did your cousin leave his hometown? ---He _________ for nearly five years.
Mrs. Black isn’t used to _________ by sea and she used to _________ sick a lot.
The old man lives _________ in the country, but he doesn’t feel _________ at all.
---Must I return the dictionary today? ---No, you _________. You _________ keep it until next week.
I’m not good at Maths, so I don’t know _________ out this difficult Maths problem.