it must be great fun.great

it must be great fun.great ( ) great fun it must be to go abroad!这里的fun是名词还是形容词? _____ great fun it must be to travel in such a beautiful car It must be great being you It was great fun!还是：it sounds great fun? It was great fun.感叹句 it+was+great+fun是什么意思 great fun Going to school by boat must be _____.是a great fun还是a lot fu What great fun it will be 和How funny it will be 那个对 为什么 climbing the hil will be＿ A great fun B.a great fun C.great that would be of great fun