根据下列句子及所给汉语注释，写出空缺处各单词的正确形式，每空只写一词。

1. He is an_________(诚实的)boy, and he never tells lies.

2. All visitors live on the _______ (第三) floor of this building.

3. Listen carefully in class and you are sure to understand the teacher       (容易).

4. We often get       (信息) by reading newspapers, magazines and all kinds of books.

5. It was getting dark and he finally_________(赶上) the last bus to go home.