选出最适当的单词填入空格内.
1 When a man is innocent, he is (      ).
a.ignorant
b.guiltless

2 He boasts that he is the (      ) billiard player in the town.
a.best
b.worst

3 A peninsula is surrounded on three sides by (      ).
a.islands
b.water

4 The person whose word is (      ) animals for food is called a butcher.
a.killing
b.protecting

5 The man put a saddle on the (      ) and ran away.
a.horse
b.bicycle

答案:
1 b
当一个人是清白的,他就是无罪的.
a.无知的b.无罪的

2 a
他夸耀他是镇中最好的撞球玩家.
a.最好的b.最坏的

3 b
半岛是三面环水.
a.土地b.水

4 a
杀了动物做成食材的这种人叫做屠夫.
a.杀b.保护

5 a
那个人把马鞍放在马背上跑了.
a.马b.自行车