Question

【题目】Dirty air and water are harmful. They ____ kill plants, and even people.

A. canB. can’tC. shouldD. shouldn't

Answer 1

【答案】A

【解析】

句意：脏的空气和水是有害的，它们能杀死植物，甚至是人。can能； can’t不能； should应该；shouldn't不应该；根据Dirty air and water are harmful.可知是它们能杀死植物，甚至是人；故选A。