问题
选择题
The direction_____ which the president would go was kept a secret_____ safety concern.
A．for, over
B．from, about
C．in, for
D．at, as
答案
答案：C
题目分析：考查介词的用法。第一空构成定语从句，介词+关系代词，其先行词是“the direction”所以要用介词“in”;第二空应填“for”,表“为了”，for safety concern“为了安全起见”。句意：总统的去向为了保险起见是保密的。选C。