67. Перепишите предложения упражнения 66, употребив подчёркнутые существительные в форме единственного числа.

1. The child has to sing the song. 2. The boy has to count the sheep. 3. My friend has to wear the jacket. 4. The girl has to listen to the music. 5. The baby has to drink the milk. 6. The man has to help the old lady. 7. The woman has to write the letter. 8. The goose has to eat the apple.