4. Rewrite the sentences using the passive form. EXAMPLE: He allows Vicky to practice on the keyboard. Vicky is allowed to practise on the keyboard. 1) Do his parents allow him to make parties at home? Is he ... ...? 2) They don't allow visitors to touch things in the museum. Visitors aren't ... ... . 3) He doesn't usually allow people to borrow his instruments. People aren't usually ... ... .