The key answer of exercise 4
The key to exercise solutions in chapter 8.4 - Use of English for the textbook Focus 5 (2nd edition) - Student's Book with authors Sue Kay, Vaughan Jones, Monica Berlis, Heather Jones and Daniel Brawshaw from Pearson Education
Question
Look at the pairs of sentences in Exercise 3 and match them to the points below.
Answer
- an action in progress
- an action in progress up to the present
- an action completed at an unseated time
- a single action or state
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