根据短文内容和所给中文提示，在空白处写出单词的正确形式。每空限填一词。

Who Needs Money?

    The kids in my class are doing an experiment to show that we don't need to spend money to have ____ (娱乐), so we aren't going to buy anything for a whole week! All the money we ____ (节省) will go to charity. Keep reading to see how it goes!

Day 1:

    I went to a ____ (免费的) concert with Rachel this evening. We had a great time ____ (直到……为止) it started raining! We had to walk home.

Day 2:

    The weather was still bad this morning, and my ____ (电脑) didn't work. It needed to be fixed, but I knew it would ____ (花费) money, so I asked Jake for help. He ____ (设法) to fix it and I lent him some DVDs that he needed. We were both happy!

Day 3:

    How can you get some new clothes without going ____ (购物)? The answer — a Second-hand Clothes Party. Everyone's got things they don't wear any more, butthat someone else might like. My ____ (朋友) and I had a great time trying things on at our party. We ____ (避免) waiting in line at the stores. I went home with lots of ‘new’ clothes!

Day 4:

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