она, должно быть, гостит у своих др

она, должно быть, гостит у своих друзей, так как она писала, что проведет отпуск у них

Результаты (английский) 1:

She must have been staying with friends since she wrote that will leave them

Результаты (английский) 2:

she must be staying with his friends, as she wrote, that will leave them

Результаты (английский) 3:

It should be, visiting with their friends, as she wrote, that will leave them