You are an optomist. Your idea is right. By the way , I was at the same centre as were yours. And I had same feelings as yours. It was a bit funny. I took 5-10 minutes to observe the hall (aspirants there). It gave me some confidence and I thought "koi Nai itthay Sariyan da aihi haul ay" then I started my Paper. Any how, idioms would be a great difference.I myself had idea about only one expression. The rest was just to guess

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Nip the evil in the bud.