1）work hard 2)go far3)cost,much4)spend much time in doing sth以上4句都用原级,比较级,*各造1句!

1)i work hard to make a living.i should work harder than before so that i can make a living.he works hardest in our company.2)he's very clever and will go far in this profession.go far是大有作为的意思...