单项选择题
A. How old are they B. What does he do C. and brothers D. but no brothers E. What do they do F. is studying G. Does she work H. She is a lawyer
A．opened B．closed C．transferred D．moved
A．Tips are not usually included in the total check. B．A 15 percent tip in large cities indicates satisfactory service. C．People tip waiters and waitresses. D．People always put tips on the table.