_______Jack had a fever, ______he finishing doing his homework yesterday.

Though you failed , you should never _____

With a lot of difficult problems________, the newly－elected president is having a hard time.

“If you are to succeed, you must put your shoulder to the wheel” my head teacher _______ says to the class

He was so diligent that he _____ as a fresher in Qinghua university three years later. [ ]