—I regret to say that I failed to rank first in the terminal exam.—Come on，nobody ________ win all the time.

----Whose book is this?----It _______ our geography teacher’s. You see, his name is on it. 

—May I swim here?  — No, you _______.  It is dangerous.

Mr Chen __________ his mobile phone to the shop because it can’t work at all.

"Those responsible for the accident      be punished while those contributing to solving the problems be rewarded," promised the official then and there.