问题补充:
a mobile phone can you ring you want to talk with anywhere .
A. Using; whoever
B. Only on; whomever
C. By; whomever
D. With; whoever
答案:
A. Using; whoever
B. Only on; whomever
(答案→)C. By; whomever
D. With; whoever
解析:此题的关键在题干中的倒装: only+副词/介词短语/状语从句置于句首时,主句要倒装。另外, whoever是主格, whomever是宾格,此处作介词with的宾语。