it's fun 还是it 's funny

it's fun 还是it 's funny It’s fun to do还是doing it's fun to be great fun 中fun的词性是什么It's Great fun +doing还是to do?这里的fun 为什么词性? look at the toy.it's so fun还是funny. It's fun to do sth.中的fun什么词性 It's really good fun的good fun 是名词还是形容词 it's such fun中fun是名词还是形容词,为什么 It's a fun day改为感叹句 it s fun to for a walk it's great fun是啥意思? it s fun to for a walk It's fun ________ another language It's great fun ____(visit)Disneyland. It's fun under the sun.改错 it's+形容词+fun 后加什么 It's fun with there.什么意思 It's fun _____(draw) picture