她扫视人群，寻找一张熟悉的面孔。

She ___scanned the crowd for a familiar face.

她焦急地扫视着拥挤的酒吧，寻找她的朋友。

Her eyes anxiously ___scanned the crowded bar for her friend.

安全人员扫视着车站，寻找任何可疑活动。

Security personnel ___scanned the station for any suspicious activity.