As the busiest woman in Norton, she made _______ her duty to look after all the other people’s affairs in that town.
We can't go out,for it is getting dark and,it is raining.
Don't put your books everywhere.Keep them.
— I ____ to your birthday party last Sunday. — Unfortunately, you were out on business.
________ in a recent science competition, the three students were awarded scholarships totaling $ 21, 000.
Thousands of teachers ________ into their new flats and the rest of them ________ for theirs. The government say many more apartment buildings________