China's image is improving steadily, with more countries ________ its role in international affairs.
recognizing
being recognized
to be recognized
recognized
—Who should be responsible for the accident?—The boss, not the workers. They just carry the orders _______.
It was on his way to the station_____ he received the news that his lost daughter had been found.
(陕西)No sooner ________ stepped on the stage than the audience broke into thunderous applause.
Only when you leave school________how much you love it.
So mysteriously ______ missing that many puzzles wait to be solved.