Заполните пропуски в инструкции следующими фразами The Phone No function allows the use of four 1___...: ответ на тест 606943 - Английский язык

Заполните пропуски в инструкции следующими фразами
The Phone No function allows the use of four 1_________________ in the phone. This feature is useful for limited coverage area, or when 2_________________. Selection of the preferred number to be used, or selection of an automatic selection is possible in the auto selection.
3_________________ will be used until the selection is changed to another number, unless the auto selection is stored. The auto selection 4________________ the phone number for a particular system.