Answer:
Step-by-step explanation:
Compound sentence: The history teacher showed us historical artifacts and he spoke of their uses.
Sentence opener as adverb: Visibly excited, the history teacher showed us the historical artifacts.
Imperative sentence: Show us the historical artifacts.
Complex sentece: When we arrived, the history teacher showed us historical artifacts.
Interrogative sentence: What kind of historical artifacts did the history teacher show the class?
Hope this helps!!