Change to have direct and indirect object pronouns

vamos a vender los pantalones a ellos

queremos tomar el coche para ti

tu puedes llamar a el para nosotros

Answers:

1. Vamos a vender los pantalones a ellos.

Translation 1: We are going to sell the pants to them.

Answer 1: Vamos a vendérselos.

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2. Queremos tomar el coche para ti.

Translation 2: We want to take the car for you.

Answer 2: Queremos tomártelo.

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3. Tú puedes llamar a él para nosotros.

Translation 3: You can call him for us.

Answer 3: Tú puedes llamárnoslo.

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your answer is b hope that

uhm what exactly is the question?