I. Write the sentences, using the correct form of the words in brackets:
1. Be careful! That road is quite .......... (bump)
2. Sue ............ suggestend a solution to reduce traffic accidents. (signal)
3. The ''Construction Site'' sign warns a ............... area. (danger)
4. Why does the ................ of the street often cause danger? (narrow)
5. They were punished for ............. the road sign. (obey)
6. The government should repair all the ............-quality roads. (poverty)