Sure! Here are the completed tag questions for Ex1 and the correct options for Ex2:

**Ex1: Complete the tag questions.**
1. You’re coming to the party, **aren't you**?
2. He doesn’t like chocolate, **does he**?
3. She has finished her homework, **hasn't she**?
4. We should leave early, **shouldn't we**?
5. They weren’t at the meeting, **were they**?
6. I’m your friend, **aren't I**?
7. You haven’t seen my keys, **have you**?
8. Let’s go for a walk, **shall we**?
9. She can play the piano, **can't she**?
10. The weather is nice today, **isn't it**?

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**Ex2: Choose the correct tag question.**
1. You’re a student, **aren’t you**?
2. He couldn’t finish the task, **could he**?
3. They will visit us, **won't they**?
4. She loves coffee, **doesn't she**?
5. We haven’t met before, **have we**?

If you have any more questions or need further assistance, feel free to ask!