Does he know how to work out the problem? —Yes, he has _______ a good
浙江省温州市十校联合体2013届高三上学期期末联考 英语题答案
—Does he know how to work out the problem?
—Yes, he has _______ a good idea to solve it.
A. caught up with B. kept up with
C. put up with D. come up with