<span>B. We were walking by the lake when we heard a siren.
C. By the time I graduated, I had attended three different high schools.
D. Though he had been rude at first, Rupert eventually won over the congregation
These three sentences are all correct, because even if the verb tense shifts it still makes sense within the context of the situation.</span>
Answer:
See below
Explanation:
It forms a noun, such as planetarium or aquarium
In a history book it can be in the review too :)
Answer:
Moral dilemma
Explanation:
She is undecided and conflicted internally because she doesn't want to fail her class.