_________ one has a child will one realize how great one’s parents are.
I wonder ____ we can solve this hard problem.
He is not _____ to pass the final exam.
We’ve just heard a _____ on the radio that a hurricane is _____ to come.
Susan is ____ to come and see me this Sunday evening.
—What do you think is_________ to happen to me tomorrow?—Sorry,I don’t know.