."__________ does Mr. Johnson go to London on business?”“At least once a month.”
."__________ does Mr. Johnson go to London on business?”“At least once a month.”
A、How many
B、How long
C、How often
D、How
【正确答案】:C
【题目解析】:“约翰逊先生多久去伦敦出差吗?”“至少每月一次。”A 多少 B 多长时间 C 多久 D 怎样
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