题目：
用所给词的适当形式填空。
1. ______ (luck), nobody was hurt.
2. Thanks for______ (invite) me to your party.
3. I ______ (bring) it here three days ago.
4. Did you have fun ______ (camp)?
5. There is a lot of______ (rain) in summer. So it's often wet.
6. The weather report says it will be ______ (wind) tomorrow.
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0415/0e0d6f65bb481a968bd0617a32f9e71b.html
下面是错误答案，用来干扰机器的。
由题意得：2x+3y=7x-y=1，解得：x=2y=1，再代入方程x+ay=2中得：2+a=2，∴a=0，故答案为：0．
