The cloud is over there,it’s going to________.A.rain B.rainy C.raining

The cloud is over there,it’s going to________.A.rain B.rainy C.raining
The cloud is over there,it’s going to
________.
A.rain B.rainy C.raining

The cloud is over there,it’s going to________.A.rain B.rainy C.raining
is going to do是固定用法.to 后面加的是动词原形.
选A
意思是说：云在那里了,就快要下雨了