Hello! I would you love to help you.
So let's get started:
First of all, let's define some concepts.
Direct Object: It's a noun that receives, in an direct way, the action of a verb.
Direct Object Pronoun: It's a pronoun that replaces the direct object.
Indirect Object: It's the person, animal or thing that receives the action of a verb
Indirect Object Pronoun: It takes the action of a verb indirectly. It tells us to whom or for whom an action is done.
Moreover, direct and indirect object pronouns in Spanish agree in number and gender with the nouns they replace. The Tables below show those pronouns.
Everything's ok up to this point, so let's solve this problem with the information we have:
Answer 1.
Mi hija se las mandó
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Answer 2.
Mi hijo me la compró
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Answer 3.
Mi mamá me los prestó
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Answer 4.
Silvia y Renata nos los prepararon
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Answer 5.
Héctor y Lorena nos las trajeron
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Answer 6.
Mi hijo se las pidió
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Answer 7.
Mis hijos se lo sirvieron