The boy was badly hurt in his head, however, still .
______is known to us all, only the theory ______ on practice can be practical.
Mary’s teacher recommends she ______ the post in the company.
I think my friend Tony is ______ to win the tennis game next Monday.
Fresh air, enough exercise and nutritious food ______ to sound health.
I sent for a technician ______ John isn’t familiar ______ the computer software they use?