She thought I was praising her son, _____ as a matter of fact, I was scolding him for his bad behavior at school.
On yesterday interview, he didn’t make a(n)_________ at all; what’s the matter with him?
I think I was at school, ______I was staying with a friend during the vacation when I heard the news.
There were two boys in the lab, ________ did the experiment successfully.
After the new technique was introduced the factory produced________cars in 1994 as the year before.
I am in _______charge of the class which was in __________charge of my wife.