It is our to enjoy the moon on Mid-Autumn night.A. habitB. customC. hobbyD. rule

问题补充：

It is our to enjoy the moon on Mid-Autumn night.

A. habit

B. custom

C. hobby

D. rule

答案：

A. habit

(答案→)B. custom

C. hobby

D. rule

解析：

名词辨析：A. habit习惯B. custom风俗C. hobby习惯 D. rule规则，句意是：中秋夜赏月是我们的风俗。选B。