题目内容：

缺词填空

根据短文内容和首字母提示，在下文空格处填入适当的词使短文完整。在标有题号的横线上，完整写出空缺处所填单词的正确形式。（每空一词）

It is said that there is no free lunch. But sometimes it is a fact. If you stay in big cities l  1.  Beijing or Shanghai, you'll have a chance to eat for free. All you need to k 2.   is where you can get them.

Some KTVs, or karaoke places, like Party World, offer f  3.     food for both lunch and dinner. It's one of China's most famous KTVs. It offers free food if you s 4.      songs there anytime between morning to late at night. The f  5.  includes main courses, desserts(甜品) and drinks.

L  6.   is the best time to come because prices of singing are low. You can go between 11 a.m. and 3 p.m. When there's at l  7.    50 per cent discount. Singing at weekends is more expensive.

If you want to get free food, you can also go to b  8.  supermarkets, such as Carrefour (家乐福超市）in Beijing.

In these s9.   , special promotions(促销)can always be seen at weekends. They show new food or drinks and ask customers to have a free t 10.   . Sometimes, these supermarkets have open counters（柜台）selling nuts and Chinese dates(枣).If you are interested in the food from these counters, you can taste them for free.