Exercise 5. Choose between the perfect tense and the perfect progressive tense.
1. He has just finished his homework.
2. He has been working on his homework for over an hour.
3. They have been trying to finish before we close tonight.
4. He has just forgot his hat.
5. He has been calling for you every hour on the hour.
6. The cat has just lapped up all the milk.
7. Have I just answered all your questions?
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