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)