The school owns many qualified teachers, but when it_____________facilities, the school is not modern enough.
Even if there is no scientific proof secondhand smoke causes cancer, there is no reason why nonsmokers should be forced to take this risk.
It is only when you nearly lose someone _____ fully conscious of how much you value him.
John thinks it won’t be long _________ he is ready for his new job.
The lawyer listened with full attention, __________ to miss any point.
Great inventors don’t ________ graduate from famous universities. Some didn’t even go to university.