9 класс. Английский язык. Тематическая контрольная работа. Reported Speech (Косвенная речь).

“What have you bought me for Christmas?” the little boy asked his parents.

• The little boy asked his parents what had they bought him for Christmas.
• The little boy asked his parents what they bought him for Christmas.
• The little boy asked his parents what they had bought him for Christmas.
• The little boy asked his parents they had bought him for Christmas.