Invigilator : তত্ত্বাবধায়ক,যিনি পরীক্ষার্থীদের ওপর নজর রাখেন
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Appropriate Prepositions
Aware of(অবগত): I am not aware of his dishonesty.
Call in(ডাকিয়া আনা): They called in a doctor.
Debar from (বঞ্চিত হওয়া/বাধা দেওয়া): He is debarred from getting a job.
Enter into (কোনো কিছুতে আবদ্ধ হওয়া): pma entered into a new agreement.
Grateful to (কৃতজ্ঞ): We should be grateful to our teachers.
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Idioms
At home (proficient in — দক্ষ) The students of Bangladesh should be at home in Bangla.
At every step (প্রতি পদে পদে): There are dangers at every step in our life and yet we want to live.
Carry the day (জয়লাভ করা) The boys carried the day in the debate competition.
Hue and cry (শোরগোল): The villagers raised a hue and cry to see the thief.
Seventh heaven – (মহাখুশী) – I was in the seventh heaven when I heard the news of my BCS final result.