Which sentence correctly uses a subordinating conjunction? A) They went to the park and then to the playground. B) The roads are slippery because it just rained. C) Neither Tommy nor Greg knew anything about the missing papers. D) I have to eat lunch, yet I forgot my money.

The sentence that correctly uses a subordinating conjunction is B) The roads are slippery because it just rained. In this sentence, "because" is the subordinating conjunction that connects the independent clause "The roads are slippery" to the dependent clause "it just rained," explaining the reason for the slippery roads. Subordinating conjunctions like "because," "although," and "when" help us form complex sentences and show relationships between ideas. They can indicate time, cause, contrast, and condition, making our writing much more interesting and informative by adding depth to our statements!