The book was written in _______ easy English _______ even primary school students could understand it.
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.
---Your sister _________ a lot during these years.---Yes. She _________ three years ago.