Question

【题目】Advertisements have become part of our everyday life and so it is important that we __________ ourselves about them to protect us from being fooled by them.

A. must educate B. might educate

C. could educate D. educate

Answer 1

【答案】D

【解析】句意：广告已经成为我们日常生活的一部分，所以我们熟知广告免受欺骗是重要的。it为形式主语，important作表语，主语从句用虚拟语气，其谓语的构成为should do, should可以省略。选D。