探究发现
①We all have dreams, but most of us make excuses for not pursuing them.
②Follow this street, or you will get stuck in a traffic jam.
③We should not be addicted to the Internet, or we'll get our life and study destroyed.
④It's time we got rid of these bad habits and took action to protect the environment.
⑤Too many cars do a lot of harm to the environment and our health.
⑥Could you do me a favour and pick up Sam from school today?
⑦They cause global warming and change world climates.
⑧It has been suggested that people should share cars and give each other lifts.
