Question 1 with 1 blanklos niños tienen que lavárselas. question 2 with 1 blankustedes no se lo pueden comer. question 3 with 1 blanknosotros estamos bebiéndolas. question 4 with 1 blankmarta y tú no deben hacérselos. question 5 with 1 blankte lo voy a pedir esta tarde.

In this exercise, we have to use the  Double object pronouns. They are used, when in a sentence it is a Direct Object Pronoun and the Indirect Object Pronoun. Both pronouns must go before the verb, first the indirect object (me, se, te, nos) and after the direct one (lo, los, la, las). They can be also located at the end of the verb in infinitive, when the sentence has more than one verb.

They are:  

yo        me lo,los,la,las

tú         te lo,los,la,las

él         se lo,los,la,las

ella      se lo,los,la,las

ellos     se lo,los,la,las

ellas     se lo,los,la,las

nosotros  nos lo,los,la,las  

Explanation:

1. Los niños tienen que lavárselas.

Los niños se las tienen que lavar

2. Ustedes no se lo pueden comer.

Ustedes no pueden comérselo

3. Nosotros estamos bebiéndolas.

Nosotros nos las estamos bebiendo

4. Marta y tú no deben hacérselos.

Marta y tú no se los deben hacer.

5. Te lo voy a pedir esta tarde.

Voy a pedírtelo

answer:   i cant   remeber exactly but i just got out of spanish a few months ago and the dbas are really easy. just relax, and have your notes in front of you. they are going to ask you the basics study the notes you wrote and you will be fine, make sure to really study grammar and pronuciation. the spanish teachers are usually nice so if you mess up they will go easy on you. you got this, you did the lessons and tests just focus and dont overthink the process.