Beijing, the capital of China, is one of ______ cities in the world.
The plan ___, what is most important is to carry it out.
He tends to ___ his shoes before he goes out to work every day.
His pronunciation is not ___ but he can manage to make.
That was the first impression she ___ us when she first gave us an English lesson.
At the railway station, the mother waved goodbye to her daughter until the train was ___.