Each of the members who attended the training session _______ a certificate.

• Each of, any of, one of ইত্যাদি বাক্যে subject হিসেবে বসলে এদের পর noun plural এবং verb সবসময় singular হয়।
- Each of, any of, one of + Plural Noun + Singular Verb.

• সুতরাং, শূন্যস্থানে সঠিক উত্তর হবে - has received
- Complete sentence: Each of the members who attended the training session has received a certificate.