Помогите исправить ошибки пожалуйста

1 This is a lovely picture.

2 These are my grandmothers.

3 She doesn't work in a hospital, she is a pilot.

4 It's a lovely toy, isn't it?

5 Mr Black is not old, is he?

6 She doesn't like the colour.

7 The boys don't like this ball.

8 This is my uncle. His name is David. (или His name's David.)

9 These are two pictures of my family.

10 What is the weather like today?

Ответ: 1. This is a lovely picture.

2. These are my grandmothers.

3. She doesn't work in a hospital, she is a pilot.

4. It's a lovely toy, isn't it?

5. Mr. Black is not old, is he?

6. She doesn't like the colour.

7. The boys don't like this ball.

8. This is my uncle. His name's David.

9. These are two pictures of my family.

10. What is the weather today? - Абсолютно нормальное предложение без ошибок. Но возможно книга просит исправить её на: How is the weather today? Оба варианта верны, но немного отличаются по смыслу, но я сомневаюсь, что на данном уровне нужно знать эту разницу.

Объяснение: