单项选择题
A.What can I do for you B.What seems to be the trouble C.What are you doing these days D.How long has this been going on
A.can I come to visit you tonight B.shall we have a barbecue some day this week C.Would you like to go to cinema with me tonight D.John will leave Chicago tonight. Shall we go to see him off
A.How do you do B.Nice to meet you. C.Fancy meeting you here. D.Well, how have you been