Please decide based on the context of the sentence wether to change the verb in parentheses to the present or past progressive . Él estaba(leer) un libro.

The teacher didn't explain this at all and i don't understand this

4. choose the answer that best completes the sentence. ana y (participar) en la clase de ciencias. (2 points) a: participa b: participas c: participan d: participamos

Question 1(multiple choice worth 1 points) read the sentence and choices, and then select the choice with the correct words to complete the sentence. —hola, paulo, ¿tienes un perro? —sí, el perro es dano. —¿cómo es dano? —él es y inteligentes; fea inteligente; feo inteligente; feos inteligentes; feas