He was happy when she --- this

选择3我说一下解这道题的思路,相信你就会明白了!因为这是强调的是结果,所以是hear,不是listen,listen强调动作,而又出现when,证明是发生的事已经过去了,所以用过去式heard。而hear有三种用法,就是hear of和hear from,他们的意思是完全不同的!帮你举几个例子!1。hear of,表示‘听说’,后面加sth/sbHave you ever heard of the Great Wall?你听说过长城吧?2。hear from sb。‘收到。。。的来信’I heard from my father last week。我上周收到老爸来信。3。hear‘听到’,‘听说(后加宾语从句）’I hear a girl singing。我听到一个女孩在唱歌。I heard that you can cure cancer with this medicine。我听说可以用这要来治癌症。所以你的这道题最终按字面意思应该用hear翻译为当她听到这件事的时候很高兴!