WILL GIVE BRAINLIEST... Just fill in the blank please!!

¿debo hacer una reservación antes de irme? a. es buena idea que hagas una reservación. b. es buena idea que haces una reservación. c. es buena idea hacer una reservación.

Question 6 (fill-in-the-blank worth 1 points) change this verb from the present tense to the preterite tense. yo pago answer for blank 1: question 7 (fill-in-the-blank worth 1 points) change this verb from the present tense to the preterite tense. yo mando answer for blank 1: question 8 (fill-in-the-blank worth 1 points) change this verb from the present tense to the preterite tense. miguel y ana llegan answer for blank 1: question 9 (fill-in-the-blank worth 1 points) change this verb from the present tense to the preterite tense. ustedes lavan answer for blank 1: question 10 (fill-in-the-blank worth 1 points) change this verb from the present tense to the preterite tense. tú lavas answer for blank 1:

Which verb form correctly completes the formal imperative sentence? ¡señor gomez, ejercicio tres veces a la semana! a. haces b. hagas c. haga d. haz