We must _down too many trees.Aprevent people to cut Bprevent people cutting

问题描述:

We must _down too many trees.Aprevent people to cut Bprevent people cutting

这题选B
prevent sb (from) doing sth
固定搭配 意为:阻止某人做某事
句意为 我们必须阻止人们砍伐太多的树.
感激不尽!