单项选择题
A. She dies 2 years ago. B. In 1997. C. Neither. D. Yes, but only a little. E. To take dancing lessons. F. Since last year. G. Quite often. H. It’s wonderful
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.