What is Sam going to do on summer holidays in the conversation of Pingyao Ancient City?
A.
to study at home
B.
to do a part-time job
C.
to travel with his parents
D.
to prepare a test
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参考答案:
举一反三
【简答题】________ means relating to beliefs about what is right or wrong. (= ethical) Morals are principles and beliefs concerning right and wrong behavior.