3.pleasure

4.differences

5 TRADITIONal
6 CAREfully

3. My brother often does experiments about electricity for ......pleasure..... PLEASE

4. There are many cultural .............difference... between his country and mine. DIFFER

5. There are a lot of ........TRADITIONAL..... festivals in Vietnam. TRADITION

6. He cycled ..........careful............ and had an accident. CARE