Răspuns:
Explicație:
3)
1. Have you foud your keys?
2. Have the children broken the window?
3. Has your sister done her homework?
4. Have you flown a plane?
5. Has your dad worked in India?
4)
1. Yes, I have.
No, I haven't. I have lost them.
2. Yes, they have.
3. Yes, she has.
No, she hasn't. She has been in the park.
4. Yes, I have.
5. Yes, he has.
No, he hasn't. He has worked in Vietnam.
