He has studied very hard ____ he came to our school.A、forB、inC、since

It is because English is very useful ________we study it hard.A: whyB: thatC: whatD: w

Jack London worked very hard and finally he _______ success.A、madeB、foundC、soughtD、achi

He is working very hard to ______ the lost time in the past 10 years.A. make forB. mak

After three years hard study, he gained his______in psychometrics.A．warrantB．degreeC．diplo

He works incredibly hard and yet needs very little sleep—he must have a strong______.A．con

He studied hard at school when he was young, __________ contributed a lot to his success.A