Professor White has written some short stories, but he is ______known for his plays.(NMET  1998)

Mr.Brown ___ goes to bed before midnight.

I can ______ be a teacher. I’m not a very patient person.               

He trained hard in puzzle-guessing, a sort of children’s game, all year, _____ still failed to reach his best form in all the tests given to both adults and children. 

The charity sale our school organizes every year has taught us much that we would never have________ learned in class.