In <em>Spanish</em> is actually <em>usual finding a sentence that hasn't the substantive or personal pronoun</em>, it occurs because the verbs or the sense of the sentence allows identifying the noun, this act is named tacit subject, in the case of the sentence given, the noun is tacit but by <em>the sense of the conversation in that you can define that the person is </em>"you".
Saca el libro---Open the book---- Saca un lapiz y papel---- take out a piece of paper and pencil--haz los ejercios- do the excerises. mark brainlest plz
