have to be able to balance... with什么意思

We have a lot of time.We____do it well.A able to B will be able to C are able to D bothBand C Will she ( ) do the work?A.be able to B.able to C.is able to it is my to be able to have existence have to be able to balance... with什么意思 be able to 用法 be able to中文 able to be assigned be able to be able to (送分拉) 请问：be able to be able to 意思 If you study,you——to catch up with others.A.can be able B.will be able C.can have D.are able 请问they have been able to do的时态是什么?been able to 和 be able to的区别是什么? We will ( ) have a picnic tomorrow.A.can B.be able to C.likely D.possible will you( )finish you homework this evening.a.can b.have to do c.be able to d.are able to Do not install B you to be able to die They__do well in the exam A,can be able to B. be able to C.can able to D.are able to they do well in the exam.A.can be able to B.be able to C.can able to D.are able to 选哪个?