It's ----he will be able to come.A.a doubt whether B.doubtfu

she is in doubt ___ he will come?中间填充A that B.whether It is ________(doubt) whether he will come. -Will he ____ come next month -I don't know so A be able B c We have a lot of time.We____do it well.A able to B will be a 英语语法分析whether he will be able to come is not yet know 这句话中的w professional,be,will,become,a,singer,he,able,to I doubt whether i will come to his speech next time.It could There was some doubt about whether he will come. Will she （ ）swim soon?A.can B.is able to C.be able to D.able It remains to be seen whether he will succeed. whether he will be able to pass the exam____unknow为什么填IS he will be able to come.这里will是情态动词还是助动词?be able to是实义动词吗?