
Answer — Exercise 1
GRAMMAR - Unit 3·Focus 3 (2nd edition) - Workbook
Question
Choose the correct forms.
Answer
- must have missed
- might have missed
- may be
- can’t be
- must be
- might have been
- could be
- can’t be; can’t have done

GRAMMAR - Unit 3·Focus 3 (2nd edition) - Workbook
Question
Choose the correct forms.
Answer