it must be fun ,____ ____?(反义疑问句)

it must be fun ,____ ____?(反义疑问句) Let me go into the room,____ ____? 反义疑问句 It must be fun,____ ____ (反义疑问句) it must be great fun.great 英语翻译it might be fun 和it must be It must be _great fun. A a B the C / It must be fun to后接什么 It must be _____(fun) to climb mountain It must be fun.和It must be funny.的区别为什么fun是名词,却可以这样用 ( ) great fun it must be to go abroad!这里的fun是名词还是形容词?it must be fun,这个fun好象是形容词, Every night we hear strange noises outside I think it ____ be teenagers having fun ,though I'M not sureA.must Bshould C.will D.could It must be a lot more fun than taking a busmore fun 是fun 的比较级还是much 比较级? it must be fun to go abroad,(改为感叹句） _____ _____ it must be to go abroad! it must be ___ to fly to the moon ___ a spaceship.a.a great fun,byb.great fun,byc.a great fun,ind.great fun,in It must be very nice ____ you.ofinaton I think it must be teenagers having fun.这句话的句子结构是怎样的 Some of us think it must be teenagers___ fun. a have b having选什么 为什么? it must be teenagers ___ fun.A.have B.having C.had D.to have It must be teenagers having fun 为什么这里要用having而不用to have