Read the following sentence in Spanish.

La niña tiene un oso de peluche en su recámara.

Substitute "un oso de peluche" with a direct object pronoun and explain why you used the pronoun you chose.

La niña lo tiene en su recámara.

I used the pronoun "lo" because "un oso de peluche" is a masculine singular noun, and the direct object pronoun "lo" is used to replace it.