题目内容：

根据句意用所给单词的适当形式填空。

1.The old woman thanked the boy for his ______. (kind)

2.Helen’s brother worked out all the Maths problem by ______.(he)

3.Suzy, your room is really ______, things are all over the floor. (tidy)

4. People talk with each other much more ______ with smart phones. (easy)

5.The heavy rain made the ______ stay at the hotel all day with nothing to do.(tour)