It suddenly _____ him that he had taken the wrong bus.
We can relax ourselves by taking part in school activities after long hours’ study; _______, we can learn a great deal from other students.
Some buildings in the past ______ down and new ones are being built there.
The movie, ______ in a family of three generations in Shanghai in the 1940s, enjoyed a great success.
It’s nearly 7 o’clock. Helen _______ come, but let’s wait for her for another 5 to 7 minutes.
Washington, a state in the United States, was named _______ one of the greatest American presidents.