单项选择题Many words associated with life in the West are Spanish () origin.
单项选择题If he had followed the directions carefully in taking the medicine, he would have felt better ().
单项选择题() the first and largest ethnic group to work on the construction of the transcontinental railroad.
单项选择题She was annoyed at his comment, thinking that he visitor () her.
单项选择题() tend to bemoan the lack of character in the young generation.