Authenticates : বিশুদ্ধতা প্রমাণ করা;
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Appropriate Prepositions
Absent from(অনুপস্থিত থাকা): I was absent from the class yesterday.
Angry for (কোন কাজে রাগান্বিত হওয়া): Rahim was angry with me for my having done this.
Behave towards(ব্যবহার করা): The students behaved objectionably towards the Head teacher.
Fit for (যোগ্য): Sabina is not yet fit for marriage.
Make up of (গঠিত): Village is made up of many homes.
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Idioms
Gala day (বিশেষ দিন): The Eid–Ul-Fitr is a gala day for Muslims.
Milk and honey – (প্রাচুর্য)- He lives with milk and honey.
Right and left (এলোপাথাড়ি - indiscriminately): He planted trees right and left.
Take into account (বিবেচনা করা): Your activities should be taken into account.
Tooth and nail (strongly, প্রবলভাবে)-He fought tooth and nail against his enemy.