—        I know by what time you want the project to be done?—By the day after tomorrow.      you finish it on time?

— Must they clean and tidy the classroom now? — No, they      . It       after school in the afternoon.

If you _______ carry with you the belief that all you do is right, it’s none of my business.   

—What do you think people can do for their aged parents?—They_________ do anything except to be with them and be themselves. 

Mr.Bush is on time for everything.How ________ it be that he was late for the opening ceremony.