The key answer of exercise 10.2
The key to exercise solutions in chapter Unit 10 - Present perfect continuous and simple for the textbook English Grammar in Use with authors Raymond Murphy from Cambridge University Press
Question
For each situation, ask a question using the words in brackets.
Answer
- How long have you been learning Arabic?
- Have you been waiting long?
- Have you caught any fish?
- How many people have you invited?
- How long have you been teaching?
- How many books have you written?; How long have you been writing books?
- How long have you been saving?; How much money have you saved?
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