—-Hurry up! There’s a bus coming!—Why run? There will be __  ___ one in two or three minutes．

 —Did ________ of your parents come to attend the opening ceremony? — ________ of them came. 

He wrote a lot of novels，none of________was translated into a foreign language.

—Excuse me, but can you tell me which road I should take to the post office?— __________ of the four roads will do.

—What do you think of your college life?—Tired! __ win the scholarship(奖学金), I have made a full schedule(时间表) for study.