问题
选择题
Don’t respond to any e-mails ______personal information, no matter ______ official they are.
A．requested, how
B．requesting, how
C．requesting, what
D．requested, what
答案
答案：B
考查非谓语动词及让步状语。requesting personal information作定语修饰e-mails，关系为主动，故用现在分词；后句意为：无论他们多么的正式。故用no matter how，选B。