题目内容
【题目】Celebrating Valentine’s Day came into __________ fashion many years ago in China, and flower shops can sell dozens of roses __________.
A. a; at a time B. /; at a time
C. /; at one time D. the; at times
【答案】B
【解析】考查冠词及固定短语。该句句意为:庆祝情人节在多年前就成为了在中国的一种风尚,并且每一次花店都会售出很多玫瑰。第一空为泛指,故填不定冠词a;at a time:每次;at one times:曾经;一度;at times:有时;间或;根据句意选at a time,故该题正确答案为B.
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