We all know__is the to__ A.work hard;success B.work hard;suc

We all know__is the to__ A.work hard;success B.work hard;suc we all know that his success was__ to hard work Looking after the baby is_______ hard work.选哪一个?A.such B.suc The workers____very hard.A.all work B.are all at work C.work it's (),so we must().A a hard work,work hard B work hard,har We all d__ whether our hard work will lead to success, we wa It ' s ----,we have to work hard .( ) A a hard work B , His success ( ) his hard work. 请问此题咋做-----you work hard-----?A.Do,all the day B.Did,all day We are all busy ________ hard for our country.A.work B.to wo We all _（十分珍惜） the 8-days holiday after a year of hard work. we什么work hard