প্রশ্ন সংশোধন করুন
প্রশ্ন:
Sentence Correction : Mumps 'are' a very 'common' disease 'which' 'usually' affects children. which bold-faced section is an error?
Sentence Correction : Mumps 'are' a very 'common' disease 'which' 'usually' affects children. which bold-faced section is an error?