.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
we cannot leave this tough job to a person_____.
Sam has been appointed _______ manager of the engineering department to take ____ place of George.
These car payments are going to put me ______ again.
Another group of Qing Tombs sits about 100 kilometres ______ of Beijing.
______, I think, the problems can be settled in no time.