Final answer:
The sentence 'Tengo un libro grande' is correct as written in Spanish. It means 'I have a big book.'
Step-by-step explanation:
The sentence 'Tengo un libro grande' is correct as written in Spanish. In this sentence, 'tengo' means 'I have,' 'un' means 'a/an,' and 'libro' means 'book.' The adjective 'grande' means 'big.' So, the sentence translates to 'I have a big book.'
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