问题详情：
Fast food is becoming more and 41 _____ popular in China, especially among children and teenagers. There are several explanations for its popularity. First, it is very convenient and42 a lot of time. You just go into a fast food restaurant to order your food, (方便)and your food is ready immediately .43 , you can either eat it there or 44 it away. Third, the environment of fast food restaurants is both clean and 45 （comfort）. Fourth, excellent service(服务) 46 (provide提供) and the quality of food is high. 47 , fast food isn’t healthy enough. It is usually not a balanced diet and low in nutritional value. Fast food is only a good choice when you are in a(n) 48 and have it now and 49 . So I would say that It’s good for people, especially children, to eat fast food as 50 as possible.
【回答】
41. more 42. saves 43. second ortable
46. is provided 47. However y 50. little
知识点：语法填空
题型：未分类
