Question

People should __________ from __________ down the trees to protect the earth.

A．be stopped, to cut	B．stop, to cut
C．be stopped, cutting	D．stop, cutting

Answer 1

C

试题分析：句意为：应该阻止人们砍伐树木以保护地球。stop sb from doing sth是固定搭配，表示“阻止某人做某事”，根据语境，句子的主语是动作的承受者，应用被动语态。故选C。