Invigilator : তত্ত্বাবধায়ক,যিনি পরীক্ষার্থীদের ওপর নজর রাখেন
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Appropriate Prepositions
Admit into(প্রবেশ করতে দেওয়া): Only the selected people were admitted into the theater.
Die of (রোগে মরা): Many people died of cholera.
Easy of (সরল): The teacher is easy of approach.
Regret for (দুঃখ করা): We regretted for his failure.
Worry about (কোনো কিছু বা কাউকে নিয়ে উদ্বিগ্ন হওয়া): Please, don’t worry about me. I will be alright.
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Idioms
Dead of night (মধ্যরাত্রি): The robbers broke into the house at dead of night.
In full swing (পুরোদমে): The school is in full swing after the vacation.
To the point (সঠিক) - The boy answered the question to the point.
Under age (অপ্রাপ্ত বয়স্ক)- He could not cast his vote because he was under age.
Wild goose chase (useless pursuit, পন্ডশ্রম) —Do not waste time in wild goose chase.