Ответ:

2. The umbrella, which is very old, broke last night.

3. The book, which I've now read, is very interesting.

4. My dad, who is good at maths, helped me do my maths homework.

5. Mandy's mom, who works in a hospital, is a nurse.

Объяснение:

Ответ:

The umbrella, which is very old, broke last night.

3. The book, which I've now read, is very interesting.

4. My dad, who is good at maths, helped me do my maths homework.

5. Mandy's mom, who works in a hospital, is a nurse.

Объяснение: