Ответ:

ex. 3:

1) semi-detached house

2) open-space home

3) old-fashioned home

4) modern-nuclear family

5) time-saving devices

6) two-floor house

ex. 4:

1) two-floor house

2) modern-nuclear family

3) old-fashioned home

4) time-saving devices

5)  open-space home

Объяснение: