It’s snowing heavily so there is a lot of snow all the ground.A. aboveB. overC. onD. in

问题补充：

It’s snowing heavily, so there is a lot of snow all the ground.

A. above

B. over

C. on

D. in

答案：

A. above

(答案→)B. over

C. on

D. in

解析：本题的含义是天气正在下着大雪，所以地面上到处都有许多雪，all over可以表示遍及或到处的意思，故选B。