Helpfulness : উপকারিতা; কাজেরতা;
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Appropriate Prepositions
Affection for(স্নেহ): She has a great affection for the child.
By heart (মুখস্থ): Kamal learnt to poem by heart.
Make of (কোনো উপকরণ দ্বারা সরাসরি তৈরী বোঝাতে): This necklace is made of gold.
Rebel against (বিদ্রোহ করা): The soldiers rebelled against the king.
Satisfied with (সন্তুষ্ট): The authoress was highly satisfied with Jerry.
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Idioms
Bad blood - (শত্রুতা): There has always been bad blood between these families.
Bird’s eye view - (ভাসা ভাসা দৃশ্য, হালকাভাবে দর্শন): We took a bird’s eye view of the scenery.
Seventh heaven – (মহাখুশী) – I was in the seventh heaven when I heard the news of my BCS final result.
Set something right (ঠিক করা)— He will set the machine right.
Upper hand (প্রাধান্য) - He got the upper hand in the selection.