Question

【题目】People shouldn’t keep ________ animals.

A. protecting B. killing C. to kill D. to killing

Answer 1

【答案】B

【解析】句意：人们不应该一直捕杀动物。keep doing sth.不停地做某事，首先排除C,D；A. protecting 保护；B. killing 捕杀。结合句意，故答案为B。