1. —I think teachers and students should respect each other.
—_____. That’s important.
A. I’m sorry B. I don’t think so C. It doesn’t matter D. I’m with you
2. The man who was ___ to death by the judge last week was only 20 years old.
A. made B. caused C. sentenced D. killed
3. The buses, _____ were already full, were surrounded by anxious people.
A. all of them B. all of which C. they all D. all which