The thief didn't know he was seen_____ the watch in the shop.填ste_英语解答

The thief didn't know he was seen_____ the watch in the shop.
填stealing还是to steal 为什么呢

人气：168 ℃　时间：2020-04-12 19:31:34

解答

to steal
see sb do sth (看见某人做某事全过程,而see sb doing sth 是看见某人正在做某事)而因为是被动语态要加上to