14.　 A s________ has four sides and each side has the same length.

13.　 It’s s________ of you to believe him; he is the biggest liar in the world.

12.　 In the battle, his brother nearly lost his life while he himself was only s_________ wounded.

11.　 Better not i_________ the speaker; ask your questions afterwards.

10.　 The famous singer didn’t come to the party as expected and his a_________ made the host very silly.

9.　　　 The accident d_________ the traffic for two hours.

8.　　　 A millionaire is a person of great w_________.

7.　　　 The people t_________ the world love peace and freedom.

6.　　　 A c__________ change takes place in paper when it burns.

5.　　　 The c_________ of the train asked me to show him his ticket.