work on it和cut it up

work on it和cut it up cut up it 和 cut it up It depends 和It depends on It depends on you 等于it is up to yo 为什么是work on it而不是work it on?也有cup them up啊!这些怎么区分? cut it A.Cut it up B.Cut up them C.Cut them up选择填空:What shall we do work on it 能不能写成work it on. don't work on it You must （ ）before you eat the meat.A.cut up it B.cut up the cut it up这个词组是对的. Everything is OK ,please ___ A.cut it all up B.cup up it all Peel the banana frist,then________ A cut up it Bcut it up C