问题
选择题
Please call my secretary to arrange a meeting this afternoon, or ________ it is convenient to you.
A．whenever
B．however
C．whichever
D．wherever
答案
答案：A
A 考察状语从句。Whenever任何时候，however无论如何；whichever无论哪一个；wherever无论何地。有前面的this afternoon可知此处使用whenever引导状语从句。