They go to the cinema once a week (once a week划线）
问题描述：
They go to the cinema once a week (once a week划线）
答
How often do they go to the cinema?
How often do they go to the movies?
Do they go to the cinema often?
Do they go to the movies often?
答
整句：他们一周去电影院一次。
划线处为：一周一次
答
How often do they go to the cinema
答
呃。。。理解错误，原来是要提问去的频率？
How often do they go to the cinema?