介绍:
41.I'll keep my eyes open. 我会留意的
42.Long time no see. 好久不见
43.Dinner is on me. 晚饭我请客
44.I owe you one. 我欠你一个人情
45.It’s very popular. 它很受欢迎
46.There’s a possibility. 有这个可能
47.I want to report a theft. 我想报一宗盗窃案
48.I want to reserve a room. 我想预定一个房间
49.I thought so, too. 我也这样认为
50.I suppose so. 我想是这样
