Is anybody listening to the radio___can I turn it off?

问题描述:

Is anybody listening to the radio___can I turn it off?
A.or B.if c.so D.and

Is anybody listening to the radio是问有没人听~如果没有就turn it off.只有OR才有选择的含义其他都没有.AND 是并列,SO是承接,IF是如果