Thi is his room. This is her hat. Here is their house. His mother is an economist. Where is his bag? I like her car. Her books are on the table. His sister is my friend. Her house is in front of his house. Where is there room? Her brothers study at the university. Their father don't work at the factory. Here is her flat.
Не нужен артикль, так как там говорится о мороженом в общем
Артикль ставится, если говорится о порции какого-либо мороженого
Предложения пришлось восстанавливать, у вас они перемешались...
1 I can't come to the phone now. I am having a bath. (действие в процессе)
2. Australia exports us the wheat, wool and dairy products. (факт)
3. The queen lives in Buckingham Palace. (факт)
4. Look, that man is smiling at us. (действие длится на момент речи) Perhaps he knows us.