5. Mrs. Brown's a new car. There's a table, a telephone, a radio. Mrs. Brown's sitting at the desk and speaking on the telephone now and her son's at the computer. Mrs.Brown and her son are busy at home today.
6. Some tea (uncountable);
an eagle;
a car;
a house;
(some) tomatoes (plural,can be used without "some") ;
some salt (uncountable);
an eye;
an aunt;
a blouse;
(some) farmers (plural,can be used without "some");
an apple;
a cup;
an egg;
an union;
(some) plates (plural,can be used without "some");
a papper;
a horse;
some water (uncountable);
some money (uncountable);
some milk (uncountable).