The key answer of exercise 11
The key to exercise solutions in chapter Unit 1 - I'm unique for the textbook Performer B2 - Workbook with authors Marina Spiazzi, Marina Tavella, Margaret Layton from Zanichelli
Question
Complete the sentences with the present perfect continuous of the verbs in brackets and add for or since.
Answer
- has been living; since
- 've been waiting; for
- 've been living; for
- haven't been paying; since
- 's been reading' for
- have you been learning; Since
- Have you been using; since
- hasn't been sleeping; for
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