会英语的请点击!There is so much _____ air and sunshine on the beach.A.clean B.cleaning C.cleaned D.cleans我知道C和D是不可能的,关键是A和B选谁呢?并说明为什么?好的给最佳哦!顺便回答一下：When you ____ (aross) the road,you must look at the traffic lights(交通灯）.There ______ still some milk in the fridge.It's not necessary to go to the supmarket.(其中necessaryadj.不可避免的；必然的；必要的；强制的；n.必需品；）A.am B.is C.are D.be我知道A和D是不可能的，B和C应选什么等老师讲过后，等一等哦
问题描述：
会英语的请点击!There is so much _____ air and sunshine on the beach.
A.clean B.cleaning C.cleaned D.cleans
我知道C和D是不可能的,关键是A和B选谁呢?
并说明为什么?
好的给最佳哦!
顺便回答一下：
When you ____ (aross) the road,you must look at the traffic lights(交通灯）.
There ______ still some milk in the fridge.It's not necessary to go to the supmarket.
(其中necessary
adj.不可避免的；必然的；必要的；强制的；
n.必需品；）
A.am B.is C.are D.be
我知道A和D是不可能的，B和C应选什么
等老师讲过后，等一等哦
答