On average, these footprints are 14 to 18 inches long, 5 to 9 inches wide and much larger than _______ of a human.
The reason _____ he was late for school was _____ he had to send his mother to a hospital.
How strange _____ is that the students are so quiet in the classroom!
He has promised that he will give the prize to _______ finishes the work first.
After losing a large sum of money on my last business, I’m not taking a(n) _____ this time.
---I haven’t seen Jack for days. ---I forgot to tell you. He fell ill last week and _____ yet.