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.
