—I doubt if he __________ to the party with us tonight.— I believe if he __________ his homework, he will go with us.
--- Jack, is there _____ in today’s newspaper? --- No, nothing.
--- How is Helen in the new school? --- She is doing very well. There is ____ to worry about(担心).
Yesterday he ____ kites with his classmates in the field.
I don’t have _____ money to buy a present for my mother.
The mother often makes the boy ____ his homework before supper.