Поставьте глагол в 3-е лицо единственного числа. 1. They reguse to

Поставьте глагол в 3-е личико единственного числа. 1. They reguse to help us. (Mary). 2. My children study hard. 3. These stydents speak English fluently. 4. We know the right answer. (She). 5. They always tell the truth. (My friend). 6. These planes fly from London to Madrid. 7. They make a lot of money. (His father). 8. These books give a lot of information. 9. They teach History. (Mr Brown)