Key signature : সংগীতে স্কেল পরিবর্তনের চিহ্ন;
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Appropriate Prepositions
Adapt to(খাপ খাওয়ানো): Everybody must adopt himself to new environment.
Cause of(কারণ): Industry is the cause of your success.
Decide upon (সিদ্ধান্ত করা): We have not yet decided whether we are going to picnic.
Indulge in (প্রশ্রয় দেওয়া): You should not indulge in idleness.
Object to (প্রতিবাদ করা): Many people objected to the remarks of the leader.
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Idioms
Arm in arm (পরস্পর সম্পর্কিত বিষয়) All good people should live arm in arm with one another.
In black and white – (লিখিতভাবে) – Put forward your proposal in black and white.
Irony of fate (ভাগ্যের পরিহাস): He could not succeed by irony of fate.
Pass away (মারা যাওয়া)— He passed away last night.
Turn a deaf ear to (pay no attention, প্রত্যাখান করা) —He turned a deaf ear to my proposal.