—It is said that John’s paper got an A.
—He deserves it. He _________ a lot before he handed it in.
A. prepared B. prepares
C. had prepared D. has prepared
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—It is said that John’s paper got an A.
—He deserves it. He _________ a lot before he handed it in.
A. prepared B. prepares
C. had prepared D. has prepared
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