It's __great fun to start the trip at ____altitude of more than 5000metersA.a;an B.a;the C.the;an D./;an

It's __great fun to start the trip at ____altitude of more than 5000metersA.a;an B.a;the C.the;an D./;an it's fun to be __great time we're having today!__great fun it is!AHow a,What B What a,What CWhat,How DHow,How a It's fun to do sth.中的fun什么词性 it s fun to for a walk It’s fun to do还是doing it s fun to for a walk It's a good place____A.have fun B.having funC.has fun D.to have fun It's fun to do和It's fun doing的用法 It's fun to do和It's fun doing的用法,具体一点,要有例句. it's fun doing中的fun 是adj it's fun to do 是n .这种说法对吗? It's fun ___Tom to play footballfor to with 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? It's really a good place to have fun. I think it's great fun to () them. It's fun to go for a walk.是什么意思 It's fun to learn another language.感叹句RT It's very fun to learn another f____ language