If you are asking who is is escudero it is sancho panza but if it is asking cannot help then i have no clue
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The singular form of los libros is el libro. The reason why we use el is because libro is masculine.
Answer:
The right answer is, C. Están hechas.
* Esas camisas están hechas de lana inglesa.
Explanation:
Identifying the narrator and the time that a sentence indicates is the first step that must be taken. this is very important to be able to logically conjugate the verbs, and that these have concordance with what is being expressed.