You___hand it in at once, you may hand it in tomorrow.
.In this university a medal with five thousand dollars _______ achieved success in science and technology every two years.
.This place is an ideal site for a restaurant _______ it is just in the center of the downtown.
.When they were dragging her away, the little girl reached out her hands in _______ want of her mother.
.-------Mum, I don’t know whether I should take a computer course at weekends or not. -------- I leave _______ to your own judgment.
.Something _______ wrong with the machine, and it _______ not work.