单项选择题
A.There is no smoke without fire. B.Practice makes perfect. C.All roads lead to Rome. D.No pains, no gains.
A.DO you have anything to declare, sir B.Good morning. May I help you C.How are you feeling today D.What seems to be the problem
A.Is it a real emergency B.Do you have an appointment C.In that case. you'll have to wait. D.I'll talk to the dentist and squeeze you irk