The compound from of 'I went there to ask for help'-
A
I went there and asking for a help
B
I went there so that I can ask for help
C
I went there for asking a help
D
I went there and asked for help
Correct Answer: I went there and asked for help
Indefinite pronoun - everyone, everybody দ্বারা a group of people - কে বোঝালেও এগুলো মূলত singular pronoun হিসেবে ব্যবহৃত হয় এবং এই pronoun গুলোর possessive adjective হিসেবে his/her ব্যবহৃত হয়। সুতরাং সঠিক বাক্যটি হলো - Everyone must do his duty.