——TV and puter are so popular these days.
——Yes, they can our eyes to the outside world.
A. call up
B. open up
C. turn up
D. take up
网友回答
A. call up
(答案→)B. open up
C. turn up
D. take up
解析：根据句意“——电视和电脑是如此受欢迎。——是的，他们可以打开了我们对外面世界的视野。”应选B。open up:开发；打开。如：These programmes will open up markets for farmers.这些计划将为农民打开市场。