the good news they began to sing ahd danc_____the good news they began to sing ahd dance_____the good news they began to sing ahd danceA.at B.heard C. on D.to hear答案选A，为什么？？
热心网友
at :use to show the things that caused an action or feeling. 对..../由于..... (由于一个事情,活动或是一种感觉)例如: the children all laughted at his jokes.由于那个好消息,他们开始唱歌跳舞.
热心网友
介词at的一种用法.表示"由于(听到;看到)....而...".说明人产生某中情绪的因由.所以在此只能用A.
热心网友
at ...有一听到....的意思.