The key answer of exercise 9
The key to exercise solutions in chapter 3.2 for the textbook Identity B1+ with authors Elizabeth Sharman from Oxford University Press
Question
Complete the dialogue with the Present perfect continuous form of the verbs.
Answer
- have you been doing
- 've been working
- 've been reading
- haven't been doing
- 've been sorting
- 's been working
- 's been trying
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