语法与词汇
6.
The discussion was so prolonged and exhausting that______the speakers stopped for refreshments.
A、
at large
B、
at intervals
C、
at ease
D、
at random
【正确答案】
B
【答案解析】
A项at large意为“逍遥法外;未被捕获”;B项at intervals意为“不时,时时”;C项at ease意为“自在,合适”;D项at random意为“任意,随机”。
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