43. Would you like a cup of tea, sir?. No, thanks. I am _________ duty. 44. Her son almost takes _________ her husband. Sometimes I can’t distinguish between them. 45. The boy looked _________ his dictionary to get the meaning of the word “Luckiness”. 46. Are there any interesting programs _________ at the moment? 47. The plane is flying _________ the storm in order to get out of the rain.