问题描述：
单项选择 1.( ) smoking is bad for our health,so
单项选择
1.( ) smoking is bad for our health,some people still smoke every day.
A.Because
B.So
C.Even though
D.While
单项选择
1.( ) smoking is bad for our health,some people still smoke every day.
A.Because
B.So
C.Even though
D.While
问题解答：
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