5. Complete the rules for and since. a) We use ______ with periods of time. b) We use ______ with moments in time.

Перевод задания: Дополните правила употребления for и since.

1. We use for with periods of time. (Мы используем for с периодами времени.)
2. We use since with moments in time. (Мы используем since с моментами времени.)