—John has put forward _______ most challenging question for us to answer. —Yes, it really is. I have never heard _______ harder one.
My headache _________ me.I thought it was going away, but it's getting worse and worse.
What I need is ___________ book that contains _____ ABC of English grammar.
—Did he come back late last night? —No.It was not yet eight o'clock _____________ he arrived home.
Students are now preparing for the college entrance exam.and I hope their efforts will _____.
—You just think of yourself! You kept me wailing for at least three hours. —I' m sorry that you _____________ think so.