根据句意，用括号内所给单词的适当形式填空。

1. Along the street you can see many traffic ______(sign).

2. The girl can't walk on because of ______(hungry).

3. There were many ______(home) children in the village after that earthquake.

4. Our English teacher once ______(coach) several excellent students for the English contest.

5. There are all kinds of ______(advertise) on TV these days, and we shouldn't believe all of them.