They usually watch the moon and eat moon cakes at Mid-Autumn Festival. (改为否定句)
A.They don't usually watch the moon and eat moon cakes at Mid-Autumn Festival.
B.They usually  don't  watch the moon and eat moon cakes at Mid-Autumn Festival.
C. They don't usually watch the moon or eat moon cakes at Mid-Autumn Festival.
正确的应该是C吧，请问要不要和学生强调and和or的用法？

你说得很对，，，，，，，，，，，

否定句用or，应该选C吧。

谢谢，一直不敢确认。现在豁然开朗了。

我也学习了，谢谢！