Clare has offered a _______ of $ 100 to anyone who can find her lost cell phone.
Jack, have you ____ your mid-term examination?
Faced with all the difficulties, the girl ____ her mother for comfort.
The International Maths Summer Camp was held in Wuhan,____ the top students in maths from all over the world.
The meat tastes as though it ____ bad. Throw it off.
The manager always put ____ of his workers before__________.