.It is uncertain whether the medicine will work on the this cold, _________?A. is it B. isn't it C, will it D. won't it
The professor said he could talk on _____ interested the audience.
It _____ quite a few years _____ the accused was declared innocent and set free.
We must remember that _____fashion is not the most important thing in _______ life.
"_____ your meeting is!" he offered them his sincere congratulations.
________evidence that language acquiring ability must be stimulated.