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题目内容
（东华大学大学英语4）
5. Refined table manners, though less popular than before in current social life, _______.
A. are still a must on certain occasions
B. are bound to return sooner or later
C. are still being taught by parents at home
D. can help improve personal relationships
A. are still a must on certain occasions
B. are bound to return sooner or later
C. are still being taught by parents at home
D. can help improve personal relationships
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