6. Hat /s/
Tie /z/
Fly /z/
Cat /s/
Glass /iz/
Lamp /s/
7. This - предмет близко, единственное число.
There предметы близко, множественное число
That - предмет далеко, единственное число.
Those - There предметы далеко, множественное число
8. This is a workbook. There are copybooks.
That is a chair. Those are windows.
This is a pretty girl. These are my classmates.
That is my teacher. Those are our parents.