The health security systems of many countries are undergoing considerable ______.( )
reservation
transformation
distinction
submission
---___________ everyone present at the meeting? ---No, all but one _________ there.
It was the boy, rather than his brothers, that _________ for what they had done.
What the sick child needs most now ______ love.
The family _____ fans of Jay Chow, whose songs all sound familiar to them.
Below ____ an article about advertisements ____ by a student for her English project.