Write the plural 1) my uncle can speak two foreign (languages).2) I like to write (Letter) to my (friend) 3) There were three (woman) at the bus stop

Итак, мы просто меняем форму единственного числа на форму множественного.

1) My uncle can speak two foreign languages. Здесь всё верно.

language - язык

languages - языки

2) I like to write letterS to my friendS

letter - letters

friend - friends

3) There were three womEn at the bus stop

woman - women