chat with each other和help each other为什么一个有with ,一个没有?

chat with each other和help each other为什么一个有with ,一个没有? chat with each other急求翻译```` chat with each other a lot为什么填a lot help each other还是help with each other. chat with each other中chat 后为什么加with?而give each other中give后为什 They always help each other with study. shall we help with each other 改写 each other和 with each other的区别 with each other和 to each other的区别 The girl always chat with each other同义句 It's great fun _______(chat) with each other. have plenty of time _____(chat) with each other..