we have never seen ____art festival before

we have never seen ____art festival before 41103—i have never seen such a good art festival before. 419 .We've never seen ____a film before I have never seen _____ film before. I have never seen _____book before. We have never seen____art festival before.A.so a great B.so 为什么选Never before have we seen each other 而不是选B,它的结构是什么? we have never seen 【 such an 】exciting film before.请问such an Never have I seen him before和Never before have I seen him 是一 never have I seen him before.never before have I seen him .哪 before have we seen it before and must forgotten it 一道英语初中的填空题we have never seen him _____(look)so well before 为