Question 1 with 1 blankjuan y yo damos una blusa a nuestra hermana gisela.
question 2 with 1 blankmi tía da a nosotros una mesa para la casa.
question 3 with 1 blankmis padres dan un traje nuevo a mí.
question 4 with 1 blanka mi mamá yo doy un par de guantes negros.
question 5 with 1 blanka mi profesora doy dos libros de josé martí.

Explanation:

Los pronombres de objeto doble se usan para sustituir el sustantivo que actua como objeto en la oración. Para ello se debe identificar el género y número de dicho objeto y luego se escriben después del sujeto.

Objecto pronouns are used to subsitute the noun that works as an obnject in the sentence. To do it, we must identify its gender and number and the write it after the subject.

1. Juan y yo le damos una blusa a nuestra hermana: SE LA DAMOS

2. Mi tía da a nosotros una mesa para la casa: NOS LA DA

3. Mis padres dan un traje nuevo a mi: ME LO DAN

4. A mi mamá yo le doy un par de guantes negros: SE LOS DOY

5. A mi profesora doy dos libros de José Martí: SE LOS DOY

Explanation:

Me, te, le, nos, les are used to indicate the person which the action is referred to. In these cases, are used to say if the action of give something is destinated to mi (me), vos/usted (you), el/Ella (him/her/its), nos (us) or ustedes (you/them) respectively. se usan para indicar la persona a la que va indicada la acción.

La/las/lo/los are used according to genre and number of the object given. If it's feminine and singular, we use LA, if it's feminine and plural we use LAS. If it's masculine and singular, we use LO, and if it's masculine and plural we use LOS.

Finally, we have to conjugate the verb DAE (give), once again, according to the person that executes the action. If it is the 1st person singular (yo/I) we use DOY. If it's the 2nd person singular (vos-usted/you) we use DA for usted ir DAS for tu. If it's the 3rd person singular (el-ella/he-she-it) we use DA. If it's the 1st person plural (nosotros/we) we use DAMOS. If it's the 2nd person plural (vosotros-you for plural) we use DAIS. And finally if it's the 3rd person plural (ustedes/they) we use DAN.