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4 votes
He did study for the final exam must have been helpful; his grade improve from a B to an A

2 Answers

3 votes
Whatever he did to study for the final exam must be have been helpful; his grade improved from a B to an A. The other one seems not to make any sense

hope this helps
User LiorK
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6.8k points
5 votes
huh? you make no sense but ill say D
User Lcfd
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