问题
选择题
Mr. Black is very happy because the clothes made in his factory have never been _____. [ ]
A. popular
B. more popular
C. most popular
D. the most popular
答案
答案：B
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Mr. Black is very happy because the clothes made in his factory have never been _____. [ ]
A. popular
B. more popular
C. most popular
D. the most popular
答案：B