585.I smell something _________ in the kitchen.Can I call you back in a minute?
A.burning
B.burnt
C.being burnt
D.to be burnt
586.Don't respond to any e-mails ______ personal information,no matter how official they look.
A.searching
B.asking
C.requesting
D.questioning
585.答案是A;smell something burning闻到有东西烧焦了。此处burn为及物动词，用现在分词表示动作正在进行。但get burnt烧伤，烫伤。
586.答案是C;现在分词作定语，修饰e-mails；如用动词ask，应改成ask for sth.要求得到某物；而question sth.意为:对某事物提出质疑；search some place搜查某处。
