I have an appointment _______ Dr.Brown,but I need to change it.
As result of the serious flood , the majority of the buildings in this area ______.
His hard work_______when he got the result .
_____the film so many times , I don’t need to see or hear it___what is happening now on the screen .
The students are forbidden , unless their special passes ,___________after 11 p.m .
Today , we’ll discuss a number of cases______beginners of English fail to use the language properly .