Please call my secretary to arrange a meeting this afternoon，or it is convenient to you. (2011·江西，29)
A. whenever
B. however
C. whichever
D. wherever
网友回答
A. whenever
B. however
C. whichever
D. wherever
解析：A
解析 句意为：请打电话让我的秘书安排一个会议，在今天下午或是任何你方便的时候。whenever无论何时；however无论如何；whichever无论哪一个；wherever无论何地。此处or连接的是和this afternoon并列的两个时间状语(从句)，故只有A项正确。