---- How long will it be ______ we know the result of the English examination?----- Perhaps in two or three days.
Mr. Green stood up in defense of the 16-year-old boy, saying that he was not the one ____.
— Why don’t you turn to Professor Lee for some advice? — _____ What if he refuses to help or something?
_____ endless work, most of which is done in vain, some of the adult are confused of their goals of life.
— You should have paid the bill for her. — I _____ to, but she refused.
His music is unique and may _____ the young but will not interest the old.