问题
选择题
He is a well-known singer, but he is ______an actor.
A．most famous for
B．more famous as
C．more known as
D．best known for
答案
答案：B
题目分析：考查词组和比较级：句意：他是著名歌手，但是他做为演员更加著名。Be well-known/famous for因为…而著名，Be well-known/famous as作为…而著名，排除AD。因为是和歌手比，所以用比较级，well known的比较级是better-known，只能选B。