有没有perform a performance?

有没有perform a performance? perform perform a play for perform a perfect mother中perform能换成act吗 perform on和perform它们有什么区别啊? The girl is a good (perform ) perform a dancer的中文意思 8.I'd rather that you _______the operation right away.A.perform B.should perform C.will perform D.performed perform fulfill 都有 履行（合同）意思,用法有没有区别? The ____(perform) always ____ (perform) well behave和perform区别 perform at the piano perform fulfill的区别 perform 中文意思是? perform是什么意思,名词呢 用英语解释perform perform pharmaceutical是什么意思 perform的名词是什么?