Final answer:
The subordinate conjunction in the sentence 'The fifth graders had many adventures as they went through the year.' is 'as'. It serves to connect the main clause with the dependent clause, making the latter reliant on the former for its complete meaning.
Step-by-step explanation:
The student's question involves identifying the subordinate conjunction in the sentence provided. A subordinate conjunction is a word that connects an independent clause to a dependent clause, making the latter unable to stand alone as a complete sentence.
The subordinate conjunction in the sentence 'The fifth graders had many adventures as they went through the year.' is 'as'. It serves to connect the main clause with the dependent clause, making the latter reliant on the former for its complete meaning.
The sentence "The fifth graders had many adventures as they went through the year." contains the subordinate conjunction "as", which introduces the dependent clause "as they went through the year" and connects it to the main clause "The fifth graders had many adventures".