1. Volcanoes are not the same as earthquakes
2. Mary is an excellent student who you met at my house yesterday
3. Studying hard is important for student
4. Despite the terrible weather, they had a picnic
1. Volcanoes are not the same as earthquakes.
2. Mary whom you met at my house is an excellent student.
3. Studying hard is important for student.
4. Despite the terrible weather, they had a picnic.