Country life gives him peace and quiet, which is ______ he can’t enjoy while living in big cities.
I was really too busy with my homework and I couldn't help ____________ housework.
Mary is one of the brightest students who_________ from New York University.
Mr. Alcott, headmaster of the school, refused to accept made by the Students' Union.
Mary is short__________ her brother is very tall.
There was less food for birds and also for the Prairie dog, an______holes in the ground.