Give the correct form of the words in brackets to complete the following sentences. 46. In the exam we had to write one …………………………….. essay. (describe 47. The reports are treated as strictly …………………………….. . (confidence) 48. They knew that a vaccine for the virus was …………………………….. possible. (theory) 48. The streets were …………………………….. with strings of coloured lights. (luminous) 49. Children normally feel a lot of …………………………….. about their first day at school. (anxious) 50. Safety tests on old cars have been …………………………….. throughout Europe. (standard) 51. We eventually began the …………………………….. task of sorting through his papers. (labour) 52. The engineering sector achieved significant …………………………….. last year. (grow) 53. There is (an) …………………………….. simple explanation of what happened. (suppose) 54. The magazine offers tips on cutting your house …………………………….. costs. (maintain) 55. Over 30,000 …………………………….. will run in the New York marathon. (compete)

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