I’m not sure ,but he’s supposed ______ sometime next week.
The little girl felt upset ____ her pet dog died.
The weather in Beijing is not ____ good ____ that in Hainan.
My father is a teacher. He is always strict ____ his students.
Be proud ____ yourself and get ready ____ the next exam.
We should not only be confident ____ ourselves, but also think things ____ before making decisions.