Поставьте данные предложения в форму множественного числа. 1. My friend has

 1. My friend has got a child. My friends have got children. 2. He is a married man. They are married men. 3. His wife usually takes their child to her grandmother. Their wives usually take their children to their grandmothers. 4. A student works hard and does well in this subject. Students work hard and do well in these  subjects. 5. His sisters knowledge is well. His sisters knowledge is well.