—______ a week do you walk your dog?   —Less than three times a week.

Daniel has poor eyesight（视力差）because he always watches _________ TV and plays _________ computer games.

Jane goes to the park          foot, but Kang kang goes to the park          bike.

— Can I use your e-dictionary?  — Sorry. I don’t have ______.

--- People in the UK say “football”.--- Right. But people in the USA say “__________”.