完成句子。

1. You ______ (本没必要告诉) her the news, for I had told her about it earlier.

2. The ground is quite wet. It ______ (一定下雨了) last night.

3. We ______ (本该买) a new lock for the front door.

4. You ______ (不可能看见) Bob at the meeting yesterday; he has been on holiday in Paris for a week.

5. — He stayed at a hotel while in New York.

    — Oh, did he? He ______ with Barbara. (也许和Barbara待在一起)

危险作业意外伤害保险是指按照建筑法规定，企业为从事危险作业的建筑安装施工人员支付的意外伤害保险费。