I hope you should achieve a ______ between your school work and your hobbies.
The majority of the local people got benefit from the medical reform which they are in ___ of.
_________ to sunlight for too much time will do harm to one's skin.
.They desired that they_______ the right to vote.
—Who______ it be that is knocking at the door? —It ______ be Father, but I’m not sure.
—Why is Mr. Li so happy this morning? —Because he was honoured with a(n)______ for excellence in teaching.