单项选择题
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 tabl
A.He wanted to laugh at Larry. B.He recognized Larry at first sight. C.He was kind and gave Larry a try. D.He thought Larry would become a star.
A.a helicopter B.a solo flying machine C.a flying car D.an airplane