i think -----（run）is fun

i think -----（run）is fun i think (playing)is (不填）great fun I think doing sports is great --------(fun) I think tennis is fun.对fun提问 I think cook is fun.还是I think cooking is fun. I think the boy can run fast.he is so （ ）填t开头的 i think run is more than easier table tennis(改错) having classes is （）than working ,i think .A、a lot of fun B、 think I this plane fun is model 怎么连词造句? 问一道英语题 : I think English is very fun I think it is fun (walk)on the moom I think it is a great fun.改错)