A-A+
If you want to get there before dark you shou
问题详情
If you want to get there before dark, you should start your journey ______.
A.at times
B.at once
C.in person
D.in detail请帮忙给出正确答案和分析,谢谢!
参考答案
正确答案:B
本题考查短语辨析。第一个分句是if引导的条件状语从句,根据get there before dark(天黑前到达),可知时间紧迫,故填入B项at once“马上”。 A项at times“有时,不时”,C项in person“亲自”,D项in detail“详细地”,代入空格后都不符合上下文逻辑。