2. 职称英语
  3. ________you see something suspicious, report to the police immediately.A、Unless

________you see something suspicious, report to the police immediately.A、Unless

游客2024-06-18  56
问题 ________you see something suspicious, report to the police immediately.
选项 A、Unless
B、If
C、Although
D、Before
答案 B
解析 本题考查状语从句的用法。If意为“如果，假如”，用于引导条件状语从句。分析句意可知，“看到可疑的东西”与“向警方报告”构成条件关系，If在此句中引导真实性条件从句，因此确定本题答案为B)。
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