We are confident that the step the Chinese government has taken to cope with the current crisis is ______ of great significance.

 ---Who broke the window?---_____.

—How does Jane like her new job? —Boring. She’d like to find       one. She doesn’t want to work here any longer.

My elder brother has gone to Tibet to work as a volunteer teacher. Influenced by him, I also want to become_______when I graduate from the university.

The book you refer to isn’t____ . It belongs to ____.