Solution:
The children are worried about similar problems related to the environment and personal well-being. Here are the completed sentences:
- Peter: I don't feel good about the POLLUTE problems. I'd like ENVIRONMENT people in poor countries to support them. Learning to share is the NEED way to make our life happier.
- Frank: I worry about the problems. I'd like other people not to make the Earth a litter bin. The ENVIRONMENT in the world is getting worse every day. A lot of paper is thrown in the parks, streets and lots of other places. I want all people to be ORGANISE. I think that not only special CONTRIBUTE should be in charge. We also can make PROTECT. Let's put our litter in the bins. Then our cities would be happy and clean places to live. Our Earth needs to ACHIEVE. Please don't let it be destroyed.
- Betsy: I find school worrying. I know that school is very important because we must learn to get a good job. And my school SUPPORT are not bad. But I always feel nervous about not having excellent marks. I'm glad I have my parents and friends who are ACHIEVE and help me to look at the bright side of school.
Note: The prompt mentions "Then listen to check", indicating that a listening activity was intended, which cannot be replicated in text.