I have done much of the work. Could you please finish _________ in two days?
--- Did Jack come back early last night?--- Yes. It was not yet eight o’clock ______ he arrived home.
In some countries citizens are ______ to vote, and if they don’t they get fined.
We’ve been looking at houses but haven’t found ______ we like yet.
______is known to us all, only the theory ______ on practice can be practical.
Mary’s teacher recommends she ______ the post in the company.