What ____ news! —Yes, all of the children were ____.

Even though he has lived in China for many years, Mark still can not _______ himself to the Chinese customs.

The world economy has improved ____ since the end of last year, but major problems are not fully solved [ ]

He came all the way to China for knowing its culture and history ________ for making money

They became good friends during the war, and since then their lifelong friendship has______ tests of life and death.