The key answer of exercise 3
The key to exercise solutions in chapter GRAMMAR - Unit 4 for the textbook Focus 3 (2nd edition) - Workbook with authors Daniel Brayshaw, Dean Russell, Anna Osborn and Amanda Davies from Pearson Education
Question
Choose the correct forms.
Answer
- have you borrowed
- have you been reading
- met; was working
- got; had lost
- had already become
- writing
- might have left
- used to be; haven’t seen; since
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