.Some researchers believe that there is no doubt ____ a cure for AIDS will be found.
—My room gets very cold at night.—_______ .
—Excuse me, do you have the time?--------____. Yes, I do. B. Of course, I have. C. A quarter to ten. D. No problem
They couldn’t eat in a restaurant because ______ of them had _______ money on them.
Let us hope we can settle the matter without _____ more trouble.
School children must be taught how to deal with dangerous _________.