Answer:
The homework is really piled up
Explanation:
Ms. Garcia was leading a tour of the gallery when the fire alarm sounded.
This is correct because it is the only sentence where the verbs match tenses.
Answer:
"In this case, as many as 20,000 skilled laborers worked to built the pyramids. Tens of thousands of workers required enormous resources…"
Explanation:
D development of an engaging plot.<span />
A. Pigs representing soviet leaders were the main characters
