The key answer of exercise 1
The key to exercise solutions in chapter 2 - Revision for the textbook Into Focus B1 with authors Sue Kay, Vaughan Jones, Silvia Minardi e Daniel Brayshaw from Pearson Longman
Question
Complete the sentences with the correct form of the verbs below. There are two extra words.
Answer
- observed
- collected
- invented
- are doing
- develop
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