What was it that________the terrible accident? —His driving after drinking.

y went ________ in the forest and saved the lost child, so he was ________ praised for his courage.

It is hard to imagine a student _______doesn’t know how to skate in Harbin.

How beautiful your hometown is!—Yes, trees and flowers _______ everywhere.

How can you believe ____________ He is dishonest. —Oh, I see.