Identify the correct underlined part of speech in the sentence: "The safety drill starts <u>after</u> the shift, but he left right <u>after</u>."

• ক Preposition, Adverb ✅ সঠিক উত্তর
• খ Adverb, Preposition
• গ Adverb, Adverb
• ঘ Preposition, Preposition