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Read the three sentences below and decide which sentence is more formal. You should give your reason for choice. Sentence 1 . We have rearranged the lecturer and the class period of the course English Phonetics for a second bachelor’s degree in English language and literature . Sentence 2 . The lecturer and the class period of the course English Phonetics for a second bachelor’s degree in English language and literature have been rearranged. Sentence 3 . Rearrangements have been made about the lecturer and the class period of the course English Phonetics for a second bachelor’s degree in English language and literature .