Choose the word that has the underlined part pronounced differently from that of the others in each group (1 mark ). 41. A. ball B. hay C. say D. bay 42. A. hurry B. curtain C. burden D. curve 43. A. ear B. clear C. near D. learn 44. A. intention B. question C. action D. mention 45. A. cow B. now C. allow D. low 46. A. purpose B. purify C. pure D. music 47. A. busy B. resume C. tents D. letters 48. A. compose B. come C. forgive D. convince 49. A. company B. certain C. cent D. city 50. A. walked B. decided C. needed D. wanted Mn giúp e bài này với ạ