问题补充:
—What do you think of Liu Huan?
—Oh, he is my favourite singer. I think no one can sing.
A. good
B. well
C. better
D. best
答案:
A. good
B. well
(答案→)C. better
D. best
解析:副词比较级的用法。sing为行为动词,故用副词well修饰,I think no one can sing后省略了than he,故要用well的比较级better。