题目内容：

用括号中所给单词的适当形式填空

1.Jack left the classroom without ___________(say) a word.

2.Do you know the ____________ （important）of the meeting?

3.I found a dog yesterday,but Icouldn’t see the ______(own).

4.They set up a group to help ___________(disable) people.

5.A cat has four ___________________ (foot).