公共英语二级

单选题The middle-aged man was seen___out of the house on the afternoon of the murder.

参考答案:C进入在线模考
本题考查感官动词的被动语态用法。感官动词feel,hear,see,watch等后面接宾补的时候,要用无to不定式。但如果句子是主语的补足语的话,要加上to。