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Question 33: "I'll buy you a new bicycle if you stop eating junk food," said Mary's mother.

Question 34: If he studies hard, he will get good grades.
A. The harder he studies, the better grades he gets.
B. Although he studies hard, he will get good grades.
C. He studies harder, he will get better grades.
D. The more he studies, the more better he gets good grades.