chose the right forms to complete the sentence. 1) roy is ... than his brother jack. a) young b) younger c) the youngest

1) Roy is younger than his brother Jack. 2) Winters in Moscow now are warmer than twenty years ago. 3) Horses are slower than cars.4) Is this book the oldest in they library? 5) Green hill is not very high.6) Jack\'s bike is new. It is Jack\'s birthday present. 7) Is the elephant the strongest animal? 8) Sarah! Your hands are dirtier than your brother\'s hands!