40 – According to the text, we can infer that:
a) The tips depend on someone’s behavior.
b) Even if the service is very good, tips don’t change.
c...
40 – According to the text, we can infer that:
a) The tips depend on someone’s behavior. b) Even if the service is very good, tips don’t change. c) People demonstrate their satisfaction tipping for the service. d) People who works as parking vallets or bellshops get no tips.
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