Prehistory : প্রাগৈতিহাসিক বিষয় বা যুগ;
Related Words
precatory  prehistoric  prehistory  projector  purgatory  See Words Also In
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Appropriate Prepositions
Admit to(ভর্তি করা): The boy was admitted to class Nine.
Care for(গ্রাহ্য করা): I do not care for you.
Concerned for (উদ্বিগ্ন): The parents are concerned for their growing children.
Road to (উপায়/ রাস্তা): There is no easy road to learning.
Smile on/upon (অনুগ্রহ করা): Fortune smiles on/upon the brave.
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Idioms
Fall flat (ফলপ্রসূ না হওয়া): This business is going to fall flat.
From cradle to grave (দোলনা থেকে কবর পর্যন্ত): Everyone has to learn from cradle to grave.
Gala day (বিশেষ দিন): The Eid–Ul-Fitr is a gala day for Muslims.
Irony of fate (ভাগ্যের পরিহাস): He could not succeed by irony of fate.
To the point (সঠিক) - The boy answered the question to the point.