[ Modal Probability ]
Which of the following sentences uses a modal to express a high probability in the past?
A. She must have forgotten her keys.
B. He might be at the store.
C. They can’t be serious.
D. You should call her.

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A. though
B. although
C. so
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The second windmill …. with dynamite.
A. is blown down
B. is blowing down
C. blows down