Optional : ঐচিছক, স্বেচছামলক
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Appropriate Prepositions
Absorbed in(মগ্ন): I am absorbed in my study.
Perfect for (সঠিক, মানানসই): The new book is perfect for you.
Qualified for (যোগ্য প্রতিপন্ন হওয়া): No candidate was properly qualified for the post.
Rebel against (বিদ্রোহ করা): The soldiers rebelled against the king.
Taste for (রুচি; পছন্দ): He has a great taste for music.
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Idioms
Dead of night (মধ্যরাত্রি): The robbers broke into the house at dead of night.
Irony of fate (ভাগ্যের পরিহাস): He could not succeed by irony of fate.
Lump sum (এক কালীন) — He gave us lump sum money.
Pros and cons (খুঁটিনাটি): You should consider the pros and cons of the system.
Well off (স্বচ্ছল) - Jim and Della were not well off.