Key signature : সংগীতে স্কেল পরিবর্তনের চিহ্ন;
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Appropriate Prepositions
Addicted to(খারাপ কিছুতে আসক্ত): She is addicted to collecting stamps.
Alarm at, by, for(আশংকা করা/শঙ্কিত হওয়া): I was not alarmed at/by the news, but I was alarmed for their safety.
Argue with, about(কথা কাটাকাটি করা): They always argue with me about tiny matter.
Avail (oneself) of(সুযোগের স্বব্যবহার করা): I shall avail myself of the first trip to London tomorrow.
Monument to (স্মৃতিসৌধ): The monument to your right is a popular tourist attraction.
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Idioms
Dead against (তীব্র বিরোধী - strongly opposed to): I am dead against corruption.
In vogue (চালু): This custom is not in vogue at present.
Make both ends meet (আয় ব্যয় মেলানো): I cannot make both ends meet with my small income.
Seventh heaven – (মহাখুশী) – I was in the seventh heaven when I heard the news of my BCS final result.
To the backbone (to the core, হাড়ে হাড়ে) —The boy is wicked to the backbone.