The little chick ______ the earthworm, deciding whether to swallow it or let it go.

To keep fit, we should ______ a healthy eating habit. [ ]

The______ look on his face suggested thathe had passed the exam

The villagers will agree to move for the new paper factory _______ their demands are met by the local government

There will be an exhibition of the _____ of dictionaryin our city next week. We can learn more about the dictionary’s history there.