根据句意,补全单词.
1. We can't find the good to show our thankful to you for giving us so much help.
2. Some germs are very ___ _, so we must see them with the microscope.
3. Many people think it is not good to keep the wild animals in the ____.
4. Don't forget to ____ the dog or he may be hungry.
5. A lot of parents _ __ the government to care for teenagers getting online through their mobile phone.
