提示:Mary与Bill不期而遇,邀请他一起吃晚饭。但Bill当晚7点要去,下周一回来。Mary让Bill回来后给她打电话。M:Bill, is that you? I haven’t seen you for a long time.B: Hi, Mary. Great to see you again._____51_____?M:Fine. Why don’t we get together and have a chat? How about_____52_____ this evening?B:Well, it sounds great, but I’m_____53_____at 7 o’clock.M:What a pity!B:Well, I’ll be back_____54_____We can find a time to meet again.M:Okay._____55_____when you are back.B:No problem. Goodbye!M:Bye!
Jane had already finished cooking __________ the time I got home.