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
网友回答
(答案→)A. burning
B. burnt
C. being burnt
D. to be burnt
解析：表示某动作正在进行，英语用现在分词。smell something burning in the kitchen的意思是“闻到厨房里有东西在燃烧”。