Can someone help me with my. Spanish homework, struggling to understand, what I have to do is complete it with an appropriate word

What was the important event between the united states and cuba in 1991? a.assigned clinics b.greater number of tourists c.seizure d.increased import and export flow

Choose the sentence that accurately expresses a hurt back. me duele la mano. me duele la espalda. me duele el cuello. me duele el brazo.

Which word correctly completes this sentence? no hay nadie en la clase que un lapicero. a. tiene b. tener c. tenga d. tienen