answer the question
Tom no fue capaz de responder la pregunta de Mary.
Tom was unable to answer Mary's question.
Tom encontró que era difícil responder la pregunta.
Tom found it difficult to answer the question.
John no quiere responder la pregunta.
John doesn't want to answer the question.
Cuando no supe responder la pregunta me dio una pista.
When I didn't know how to answer the question, they gave me a hint.
Tom no sabía como responder la pregunta de Mary.
Tom didn't know how to answer Mary's question.