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题目内容
（国家开放大学-商务英语）
Customers won.t find store clerks sitting around _________ .
选择一项：
A.
watching TV or playing cards
B.
to watch TV or play cards
C.
watching TV or to play cards
选择一项：
A.
watching TV or playing cards
B.
to watch TV or play cards
C.
watching TV or to play cards
参考答案
