Betterment tax : উন্নয়ন-কর;
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Appropriate Prepositions
Cause of(কারণ): Industry is the cause of your success.
Change into (পরিবর্তিত হওয়া): At what point does boiling water change into vapor.
Dressed in (সজ্জিত, পরিহিত): The girl was dressed in silk.
Innocent of (নির্দোষ): The maid servant was proved innocent of the alleged theft.
Repent of (অনুতাপ করা): I repented of my past.
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Idioms
After all - (সব কথার পরেও): I rang and told her I couldn't come after all.
At home (comfortable— আরাম) He feels at home in Dhaka now.
Black sheep - (কুলাঙ্গার): Stay away from the Black sheep.
Out of temper (ক্রুদ্ধ): The teacher is out temper to see the overall results.
Take to heart (মর্মাহত হওয়া)- He really took it to heart when I asked him to reconsider.