问题
选择题
After becoming a member of Greener China, he feels _______ than before. [ ]
A. busy
B. busier
C. the busier
D. the busiest
答案
答案：B
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After becoming a member of Greener China, he feels _______ than before. [ ]
A. busy
B. busier
C. the busier
D. the busiest
答案：B