Question

Can I help you, madam? Yes, I bought this radio here yesterday,look, you turn it on,but nothing__

A appears B. happens, c. works. D hears

Answer 1

B happens,因为主语是nothing,所以不能用C或D
appears 是出现，词意不符
nothing happens 其实用法在口语中非常常见，就是说一个改变的前后什么都没有发生变化

Answer 2

B. 没有什么事发生，习惯用语

Answer 3

我觉得选Dog 比较好,因为根据radio的特殊属性,动词搭配应该是听hear（同时hear在这里也是主动形式表被动意义：eg.the soft feels smooth）,所以我选D 谢谢