The rewriting of the sentence to a complex sentence is:
Although he is here now, the purpose of his visit to this place is not known
This refers to the use of words to express a thought and this contains a subject and predicate.
Hence, we can see that The rewriting of the sentence to a complex sentence is:
Although he is here now, the purpose of his visit to this place is not known
Read more about complex sentences here:
https://brainly.com/question/17538242
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