单项选择题
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
A.You're welcome. B.Never mind. C.It doesn't matter. D.It's just OK.
A. Yon name the day I3. Enjoy yourselves C. You can't miss it D. Take your time