Изберите подходящее местоимение. 1. Who are ( that, these, those) people

Изберите подходящее местоимение.
1. Who are ( that, these, those) people over there?
2. Ann and Peter phone ( them, themselves, each other) every day.
3. The building is very high but ( his, its, their) windows are small.
4. You are quite ill. You must go ( somewhere, anywhere, nowhere) today