问题补充:
—Do I need to give a tip if I eat at a fast food restaurant in the United States?
—Yes, it’s a common to tip waiter in a restaurant.
A. sense
B. custom
C. method
D. practice
答案:
A. sense
B. custom
C. method
(答案→)D. practice
解析:
这题考查名词搭配:common sense常识common practice惯例,根据句意:--我在快餐店吃饭需要给小费吗?--是的,在饭店吃饭给小费是惯例。选D。