I'm sure he able to finish this

I'm sure he able to finish this I'm sure that you have the___(able)to finish the work on tim I am sure that you have the ______(able) to finish the work -----hungry i am ,i neverseem to be able to finish off this I'm f______ sure he'll come.Do you know the a______ to this I appreciate __to help me ,but I am sure I will be able to m I'll be able to finish this essay ___(easy） in half an hour ---Will yoiu be able to finish the job this week?---I don't I don’t doubt whether I’m able to finish the work on time.改错 I'm afraid I won't be able to finish reading the book in two I am sure David wiU be able to find the library-he hasa good I'm not sure if he is able to swim or not这句话是对的还是错的?急.坐等!