问题
选择题
Susan is always the best in exams in our class because she is a _____ girl. [ ]
A. helpful
B. polite
C. proud
D. hard-working
答案
答案：D
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Susan is always the best in exams in our class because she is a _____ girl. [ ]
A. helpful
B. polite
C. proud
D. hard-working
答案：D