The World Health Organization gave a warning to the public without any _____when the virus of H1N1 hit Mexico in April, 2009.
— John has put forward ______ most challenging question for us to answer. — Yes, it really is. I have never heard ______ harder one.
—This apple pie is too sweet, don’t you think so? — ______. I think it’s just right, actually.
----Would it be _____ for you to help me take my luggage to the area where taxis are available? ---- With pleasure.
My father is knowledgeable. Whenever we plan our vocation, he always offers_______ suggestions.
He was told that it would be at least three years ____ he could recover and return to work.