中国大学MOOC: When getting aomeone’s card, we should look at it.
中国大学MOOC: When getting aomeone’s card, we should look at it.
When getting aomeone’s card, we should look at it. A: 正确 B: 错误
When getting aomeone’s card, we should look at it. A: 正确 B: 错误
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