We can talk with friends on the Internet _______ it’s easier and cheaper.
A. though B. as C. or D. but
We can talk with friends on the Internet _______ it’s easier and cheaper.
A. though B. as C. or D. but
B
【解析】连词。As用作连词表示原因；句意：我们可以在网上与朋友们聊天是因为它既容易又便宜。