As a environmentalist, he hopes to devoted his life water and air pollution a peaceful life.
The enlarged school campus is __________ the old one.
My uncle's house in the downtown area is much smaller than ours, but it is twice __________ expensive.
John found it a challenge to meet the needs of the boss. __________, he had no way to satisfy him.
What made me surprised was his attitude __________ the mistakes I had made.
What's your attitude __________ that problem?