Переклад слова «pair» з англійської на українську мову

Thus were these two betrothed, this sole surviving pair of human beings.
For several days this strangely assorted pair roamed the jungletogether.
As the pair were groping about on the sandy floor, another wave rolledin.
Ianswered, mutely, 'Not for worlds,' with a faltering pair of downcasteyelids.
String are a much better pair than Fred and I.