用 how often
如：How often do you visit you gandparents 你多久看望你的祖父母?
不明白的再问哟,请及时采纳,多谢! 用 how often
如：How often do you visit you gandparents 你多久看望你的祖父母?
不明白的再问哟,请及时采纳,多谢!