The key answer of exercise 11.1
The key to exercise solutions in chapter Unit 11 - how long have you (been) ... ? for the textbook English Grammar in Use with authors Raymond Murphy from Cambridge University Press
Question
Which is right?
Answer
- I know
- have you lived
- It's raining
- has been
- Have you been waiting
- We're living
- I haven't known
- She's
- have you had
- I've been feeling
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