Rewrite the sentences using active or passive causatives.

1. A robot cleans my house every day.

→ I _______________________________.

2. My dad arranged for someone to repair our robot vacuum cleaner.

→ My dad __________________________.

3. The shop arranged for a robot to put together our furniture in 10 minutes.

→ We _____________________________.

4. They will upgrade his computer to improve its performance.

→ He______________________________.