问题
Liu Ying is my friend. She’s not as good _____ sports as her sister.[ ]
A: for
B: at
C: in
D:on
B: at
C: in
D:on
正确答案是：
同类题型
_______he was laid off last year ______ how serious the economic crisis was.
_________ is Mike staying? —He is staying for 2 weeks.[ ]
He made another wonderful discovery, ______ of great importance to science.
He is _________ a meeting .[ ]
Bob can play ________ tennis but can’t play ________ violin.