Вопрос:

Grammar 2b. Write each word in its plural form in the correct column: address, book, city, class, country, diary, dictionary, key, pencil, photo, sandwich, ticket, watch, window.

Ответ:

Ответ (English)

-s-es-ies
books
countries
diaries? no
keys
pencils
photos
tickets
windows
addresses
classes
sandwiches
watches
cities
countries? no
diaries
dictionaries

Правильное распределение: -s: books, countries, keys, pencils, photos, tickets, windows; -es: addresses, classes, sandwiches, watches; -ies: cities, diaries, dictionaries.

Перевод (RU)

Окончание -s обычно добавляется к словам, -es — после s, ss, ch, sh, x, а y после согласной заменяется на -ies.

Ответ: books, countries, keys, pencils, photos, tickets, windows; addresses, classes, sandwiches, watches; cities, diaries, dictionaries.