— Excuse me, Miss Li. Where will you take _____ trip? — I’ll travel to a famous island of _____ Pacific Ocean.

This is ________ pear. That’s ________ apple.

English is ________ useful language so that most people speak it as ________ second language.

— What do you like to do after school, Simon?— I like playing ______football with my father.

A horse is _______ useful animal.