Considering his health, I advise him to ______ an hour or two each day to work out.
He was told that it would be at least three more months _________ he could recover and return to work.
In our class there are 46 students, _________ half wear glasses.
For all these years I have been working for others. I’m hoping I’ll _________ my own business some day.
Some of you may have finished Unit one. _________, you can go on with Unit two.
At the end of the eighteenth century, masks _________ completely.