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Q51. She has an aptitude _________ mathematics.
Q52. Please bear ______ me until I finish this job.
Q53. Physical activity is beneficial ________ health.
Q54. We cannot comply ________ your request.
Q55. He is thoroughly conversant _______ the situation.
Q56. A committee has been appointed to inquire _______ the accident.
Q57. There is no cure ________ AIDS yet.
Q58. Eventually I persuaded her to comply ________ my requests.
Q59. He was brought _________ by his grandmother.
Q60. She is keen _______ going abroad.