Exercise 6: How to speak good English? This exercise 5-6!Real English

Lesson 8c, Exercise 6 - Which answer which is NOT correct?

Watch the video, then answer the question.

Listen to the correct answers:

How old is Greg?

Choose the answer which is NOT correct.
1. 20.
2. He's 20.
3. He's 20 years old.
4. He's 20 years.

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