it is to go for a picnic on such a day!前面填什么A.what a fun B.w

it is to go for a picnic on such a day!前面填什么A.what a fun B.w ____ it is to have a picnic on such a fine day!A.What a fun ---- it is to go for a picnic on such a fine day! .____ it is to go for a picnic on such a find day! it is to go for a picnic on such a fine day ___it is to go for a picnic on such a fine day. ___it is to go for a picnic on such a fine day! 为什么不能用How fu -Do you think it's a good idea to go for a picnic on such a It's fun to go for an outing on such a fine day.怎么改感叹句?fun是名 （)____good idea it is to have a picnic on such a fine day.A ——fun it is to go swimming in such nice weather.A What;B How What a ____________ day it is!Let's go for a picnic.(pleasur