11, It is not necessary for you to finish the work today.
=> You don’t have to finish the work today.
12, I like roller skating and my brother does, too.
=> Both i and my brother like roller skating.
13, How much are these rackets?
=> What is the price of these rackets ?
14, Zidane is among the greatest football players in the world.
=> One of the greatest football players in the world is Zidane.
15, No fish were more beautiful than the colourful little fish.
=> The colourful little fish is the most beautiful
16, Why were you absent from class last Monday?
=> Why didn’t you go to class last Monday ?
17, Lan didn’t go to school yesterday because of her sickness.
=> Because Lan is sick, she didn't go to school yesterday.