Contour map : সমান দূরত্বের ব্যবধানে আঁকা সমোন্নতি রেখার মানচিত্র;
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Appropriate Prepositions
Break in (কথার মাঝে কথা বলা): As she was talking, he suddenly broke in, saying, ‘that’s a rat!’
Devoid of (বিহীন/বর্জিত): He is devoid of common sense.
Dull at (অপ্টু/কাঁচা): He is dull at mathematics.
Fail in (ব্যর্থ হওয়া): He failed in getting internet connection in his room.
Stick to (দৃঢ়ভাবে লেগে থাকা): We should always stick to our decisions.
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Idioms
All along - (সব সময়): I was present in the meeting all along.
At dead of night (গভীর রাতে) The police caught the thief at dead of night.
Dead against (তীব্র বিরোধী - strongly opposed to): I am dead against corruption.
Run a risk (ঝুকি নেয়া) — He ran a risk to save his life.
Ups and downs (উত্থান পতন): There are ups and downs in a man’s life.