Mr. Anwar is expert ––– physics. বাক্যের শূন্যস্থানে সঠিক শব্দ বসবে-

All of his friends are………. him.

She had to pay an excess of one hundred taka ______the regular fare.

There is a very clear relationship. education and social success.

Fill in the blank with suitable preposition: Thousands of lives have been saved …….. anti rabies treatment.