_____ it is to jump into a river on a hot summer day!A.What fun B.how fun C.what a fun D.How a fun为什么不选C,我知道fun是不可数名词,应该选A,但是fun不是具体化了,在热的夏天跳进河流是一件有趣的事情呀!

1.Be careful!It's dangerous to jump down from the desk.（保持句意基本不变）1.Be careful！It's dangerous to jump down from the desk.（保持句意基本不变）_____ _____!____ ____ down from the desk is dangerous. 英语翻译It is easy for him to _____ _____ _____. _____ _____ _____ is it from your home to school? _____ it is to jump into the river to swim in summer.A.What a great fun B.What great funC.How fun D.How funny为什么不用how fun？ It is dangerous ( ) jump into the pond.A.to B.don't C.for _____(恐怕)it is going to rain It is going to _____ (rain). it is _____(help)to her it is _____(cloud)maybe it is going to rain It is not a good way always to jump to ( ).conclude 根据已知单词的正确形式填空 Swimming is fun in warm weather,but skating is good（1）____ winter.A.at B.on C.enough D.so（2）_____ fun it is to jump into a pool or a lake!A.What a B.What C.How a D.How But basketball and colleyball are very new.And new sports（3）_____ game Swimming is fun in warm weather,but skating is good（1）____ winter.A.at B.on C.enough D.so（2）_____ fun it is to jump into a pool or a lake!A.What a B.What C.How a D.How But basketball and colleyball are very new.And new sports（3）_____ game It is _____ to carry water to the mountain. 同义句转换：It is time for school.It is time _____ _____ to school. (what fun )it is to jump into a pool or go swimming!为什么不可以是How funny it is() to jump into a pool or go swimming in a river in summer 能用funny吗? ______(do) jump off the tree.it is dangerous. It is boring to _____(visit) the small park.