‘I saw – beggar’. বাক্যের শূন্যস্থানে সঠিক শব্দ হবে-

Everybody knows that sincerity is _____ key to success. I met Lisa who is a doctor in ___hospital. My elder brother is --- M.A./ LL.B./ M.B.B.S Degree. ___ water of this pond is clear. Use article. He prefers .... European country for spending his vacation. He speaks English like ___ English. My mother gave me ….. one-taka note. The King left ... heir. Choose the correct sentence. ---mother rose in her.