单项选择题

Questions 11 to 18 are based on the conversation you have just heard.

A．He should look for a battery at the drugstore.
B．The drugstore may not be open at this hour.
C．He should have tried the radio earlier.
D．She doesn’t know how to open the radio.
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单项选择题
Which of the following is proper when a punishment is needed because of animal’s bad behavior
A．A prompt punishment directly associated with the event.
B．A punishment two days before the pet’s typical bad behavior.
C．A punishment two hours after the pet’s bad behavior.
D．A punishment when the interaction between is built.
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