11.　 It was ___________(吝啬) of you to eat all the food.

10.　 They’re discussing __________(激烈) when I reached.

9.　　　 The problem has been __________(烦扰) me for weeks.

8.　　　 He seemed very frightened because he just received a ___________(恐吓) letter.

7.　　　 It seems to rain, and we have to find s________(避身处) from the rain.

6.　　　 After g________ from college, he entered into a company.

5.　　　 It is most g_______ of you to lend me the money.

4.　　　 They t_________ to kill him unless he did as they asked.

3.　　　 In some parts of the world there is an extreme c_______, and it is very hot in summer and very cold in winter.

2.　　　 She is o_______ about her chances of winning a gold medal.