They are surprised __ the news.(介词)

They are surprised __ the news.(介词) They were surprised at the news They were surprised when they hear the news 同义句 they were ( )surprised when they heard the terrible news. The news that they won the game surprised us greatly they felt surprised when they heard the news 对surprised提问 di the news surprised me Surprised at the news,( ) People who （） the news are very surprised. We are surprised to watch the news 改为同意句 When they heard the news,they were very surprised.改为同义句 THEY ARE THE SYMBOL__ __?