—How do you study English so well? —I think _________ English movies is a good way to learn English.
—I lost my watch on my way to school this morning. —You must be careful next time.
Xi’an is ancient county with long history.
I am not hungry because I have ____ had lunch.
—you everto Beijing before?—No, never.
His talk was nothing but milk and water. “milk and water” here means________.