Great changes ______ in my school in the past ten years.
---Did you enjoy yourself at the party ? ----Yes , I’ve never been to _______ one before .
The message is very important , so it is supposed ______ as soon as possible .
______ is certain is that Bill will recover from his injury in time for the football match.
Some customers accuse Toyota ______ being slow to fix the car problems, which makes them disappointed.
Many useful suggestions were ______ at the meeting to ensure people can live a low carbon life.