People should ____cutting trees A be kept to cut B be kept from cutting C keep to cut D keep from cu

问题描述:

People should ____cutting trees A be kept to cut B be kept from cutting C keep to cut D keep from cu
Abe kept to cut B be kept fromcutting Ckeep to cutD keep from cutting

B为什么用被动人们是被禁止的,要用被动语态