As China ________ into a market economy, the government no longer assigned jobs, food or free housing to urban residents.
_____, the great mother, in order to save her sick child, kept waiting for four hours in the heavy snow.
Can you tell me if you have found the key ________ your car.
Sometimes ________ English is quite different from _______ English in many ways.
_____ of the students who took part in the military training is 450.
He said, “Don’t do that again.” He _____ me _______ that again.