Вот правильные варианты с артиклями:
a. The youngest brother is at school now.
b. The birds can fly very high in the sky.
c. The book on that shelf is an interesting one about...
d. It is pleasant to play the game of tennis on...
e. He makes toys in the evening.
f. The butcher opposite the library always sells...
g. I am fond of apples with cheese.
h. Honesty is the best of all virtues.
i. I should like to have a house in the country. The car is ready.
Если у вас есть дополнительные вопросы или нужна помощь с другими заданиями, дайте знать!