Use the words given to write the sentences

EX1.Use the words given to write the sentences:
1. last week/ while/ we/ study/ he/ play foodball/ the stadium
2. what/ interesting/ legend/ it/ be!
3. the Khmer/ believe/ they/ have to/ float/ lanterns/ otherwise/ they/ may not/ get luck
4. Yao people/ famous/ their elasborate/ costumes
5. City/ noisier/ than/ countryside