The key answer of exercise 4
The key to exercise solutions in chapter 7.5 - Grammar for the textbook Focus 4 (2nd edition) - Student's Book with authors Sue Kay, Vaughan Jones and Daniel Brawshaw from Pearson Education
Question
Complete the sentences with the correct form of the words in brackets. Make any changes necessary, but do not change the order of the words.
Answer
- is understood that Pythagoras came up with
- is said to have prepared
- is thought that Archimedes
- is believed to have made
- are not thought to have been interested
- are known to have contributed
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