How to tackle silly mistakes

<p>Okay! If you are obviously in the 2000+ range, you find out that what's seperating you from that 2200+ are silly mistakes. And then when you see the answer you are like oh I knew that. Please from 750+ers how do you avoid this mistakes. Because when I read carefully my accuracy increases but I finish with 5 minutes more (only for CR). My remaining scores are in the 700+ range apart from CR of course which is in the high 600s. I always get all the sentence completion correctly because my vocabulary is quite good. But I'm fond of picking runner up answers in passages. How can this thingamabob be stopped. I know they say make sure is supported. I do that. But still...</p>