Решение:
Замени слова, выделенные жирным шрифтом, на объектные местоимения.
- Wait for Helen and her friend, listen to my brother and me. → Wait for Helen and her friend, listen to them.
- Let's feed the birds in the park. → Let's feed them in the park.
- Can you look for our cat in the garden, please? → Can you look for it in the garden, please?
- Tell me about Tim, please. → Tell him about Tim, please.
- Help my nephew and me. → Help us.
- Invite Kate to your party. → Invite her to your party.
- Can I talk to your cousin and you? → Can I talk to you?