Ответ:

  1. Wait for them.
  2. Let’s feed them.
  3. Can you look for it in the garden, please?
  4. Tell me about him, please.
  5. Help us.
  6. Invite her to your party.
  7. Can I talk to you?

Ответ: 1 — them; 2 — them; 3 — it; 4 — him; 5 — us; 6 — her; 7 — you.