These are definitely a great gift. Предложение из учебника 8 класс английский язык. Почему множественное число, если идея это существительное единственное число?

On the weekend, I’m probably going to the movies with friends.

2. Is everything ready for tomorrow? What time does our plane take off?

3. Can you give me a ride to the airport? «I'm sorry, but I’m meeting my sister in half an hour.»

4. You forgot to call Anna. «I think I'll call her tomorrow.»

5. I decided to repaint the kitchen. - What color will you paint her?

6. I forgot the money at home. - Do not worry. I will lend you.

7. When do Zhdeik and his wife come? «They arrive at seven tomorrow.»

8. Shops far from here. I'll take you there.

9. I will not let you down. I assure you.

10. Let's go to the theater on Wednesday. - I'm afraid i can not. I meet parents at the airport.

11. Do you promise to call him? - Yes I promise. I'll call him tonight.

12. We're going on a picnic tomorrow. Do you want to join us?