Exercise 2: Rewrite the following sentences using Passive Voice   1.      People speak English in almost every corner of the world nowadays.   ..........................................................................................................................................   2.      It’s high time someone told her to stop behaving like a child.   ..........................................................................................................................................   3.      My mother sent us a lot of moon cakes.   ..........................................................................................................................................   4.      My teacher gave me an interesting book.   ..........................................................................................................................................   5.      Ha has to finish the exercises in this book before 9 pm.   ..........................................................................................................................................   6.      The principal may use this room this year.   ..........................................................................................................................................   7.      You must clean the wall before you paint it.   ..........................................................................................................................................   8.      You should pay your bill before you leave the hotel.   ..........................................................................................................................................   9.      You mustn’t touch this button while the experiment is in progress.   ..........................................................................................................................................   10.  No one can do anything unless someone gives us more information.   ..........................................................................................................................................