They might be able to afford a new car .be able to 能用can替代吗?

They might be able to afford a new car .be able to 能用can替代吗? they do well in the exam.A.can be able to B.be able to C.can be able to和can can could be able to They__do well in the exam A,can be able to B. be able to C.c I might even be able to come back to new york next summer为什么 ability to do\be able to \can 英语翻译A can B be C able D be able to be able to造句 be able to 用法 be able to中文 be able to