问题描述：
1 do you think _ fair that some restaurants are dasigned _ uncomfortable?
A it's；to B is it ；to
C it's；to be Dis it ；to be
2（it's）our duty （to work）and （serve）for people.
有一处错误,请改正
A it's；to B is it ；to
C it's；to be Dis it ；to be
2（it's）our duty （to work）and （serve）for people.
有一处错误,请改正
问题解答：
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