catch up on和 catch up with 的区别不知道这两个次有啥具体区别没?

catch 和catch up with的区别 catch up catch up catch up catch up catch up catch up catch up on和 catch up with 的区别不知道这两个次有啥具体区别没? Catch on catch up with和catch hold of的区别 catch和catch up with 有什么区别? You walk on and I --- you.A.catch B.catch up C.catch up with D.up with get catch up get catch up catch catch catch catch catch