He worked so hard that he kept up ( )the classa about b toc withd for

问题描述:

He worked so hard that he kept up ( )the class
a about
b to
c with
d for

C

C
keep up with 固定用法,表示追上。。。

c withkeep up with1.跟上,不落在…后面:例句:Hurry up,or you won't keep up with them.快点,否则你就赶不上他们了.Jane could't keep up with the rest of the class.简跟不上班里的其他同学.2.赶上(某思想、风尚...

C with
keep up with 赶上,跟上