C. GRAMMAR Turn the sentences into the passive voice: 1. Parents shouldn't keep their children at home all the time. => 2. No one can treat girls unequally. => 3. The government should give more girls the opportunity to have a better life. => 4. They have to tidy up the room after the lesson. <= 5. My best friend can do these exercises very quickly. => 6. They must show their identity cards when they enter the park.
