come up with ,think of ,think up 有什么区别是否可互换?Finally I ___ an idea .A.thought of B.came up with C.thought for D.thought up

问题描述:

come up with ,think of ,think up 有什么区别是否可互换?
Finally I ___ an idea .
A.thought of B.came up with C.thought for D.thought up