2. Употребите притяжательный падеж вместо словосочетаний с предлогом of.
1. the flowers of my mother
2. the book of this boy
3. the bags of these girls
4. the pencils of that children
5. the dress of this woman

1my mother's flowers2this boy's book3these girls' bags4that неправильно.надо those children's pencils5this woman's dress