As the busiest woman in Norton, she made ________ her duty to look after all the other people’s affairs in that town.

I think _________ can make Andy change his mind. He is such a person who never gives up easily.

His plan, as well as Mary’s, sounds original. But the company, I think, won’t agree to __________ of them, for they are unrealistic.

I don't think _________ possible to master a foreign language without much memory work. 

——Which of the two books do you want?—— I want_______. Please show me________.