问题描述：
which of the following can be shammed?
which of the following can be shammed?
a concern
b sleep
c honesty
d interest
我怎么觉得 a b c d 都对呢?
which of the following can be shammed?
a concern
b sleep
c honesty
d interest
我怎么觉得 a b c d 都对呢?
问题解答：
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