Gấp ạ, chuyển sang câu bị động mình không cần giải thích

Exercise 3: Finish each of the sentences in sucu a way that it means exactly the same as the sentence printed before it. 1. The committee appointed Alice secretary for the meeting. 2. Tom will give Anna a ride to school tomorrow. 3. They keep this room tidy all the time. 4. We gave Ann ...