Standard solution : প্রমাণ দ্রব্য;
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Appropriate Prepositions
Appeal to, for(কোন ব্যক্তির কাছে কোন কিছুর জন্য আবেদন করা): The flood affected people appealed to the President for reef.
Complain about (কোনো বিষয়ে নালিশ করা): They complained about the mismanagement of the programme.
Concern with (জড়িত থাকা): Asif is not concerned with this conspiracy.
Make up of (গঠিত): Village is made up of many homes.
Pleased with (সন্তুষ্ট): Shamim is pleased with all his employees.
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Idioms
At the eleventh hour (at the last moment-শেষ মুহুর্তে adv.) The patient was in a dangerous condition and the doctor came at the eleventh hour.
End in smoke (ব্যর্থ হওয়া): All his plans ended in smoke.
Right and left (এলোপাথাড়ি - indiscriminately): He planted trees right and left.
Take to one's heels (to run away, পালানো)- They took to their heels when they saw the policeman approaching.
Tooth and nail (strongly, প্রবলভাবে)-He fought tooth and nail against his enemy.