Ineed to know how to say "the car was big and red" in spanish and also in imperfect tense

Can someone me with these questions ?

__ hermanas van al gimnasio todos los días. mis nuestra mi su

Aspanish conversation is below which answer matches the question? ¿de qué color es la sal? a. es blanca. b. es verde. c. es amarilla. d. es roja. who ever answers with the right answer first i will give brainlest answer.