日日人人_亚洲美女在线视频_av手机在线播放_国产大片aaa_欧美中文日韩_午夜理伦三级

A: How often do you surf the Internet?

B:_________ ．

A．Twice a week．            B．Two weeks a time           C．A week twice．

_____ do you surf the Internet?

　　 Twice a week．

　　A．How often

B．How long

C．How soon

D．How many