Our offer has put her in a _______ as to whether to stay at school for further education or get a job to support her family.
We work together to achieve our common purpose: ______ world that is safer, cleaner and healthier than______ one we found.
At the United Nations Climate Change Conference, the UN Secretary General points out that, ______, the climate situation will get worse and worse.
---Tom was late for class this morning again.---You know, _______.
You didn’t take his advice. ____ his advice, you _____ such a mistake.
In our childhood, we were often ____ by Grandma to pay attention to our table manners.