English teachers are supposed ______their students a test in class, even after class, ______better teaching results.
As far as I know, he is seldom, _______ , late for school.
.— My mum is a typist. — I know this sort of work _______ skill and speed.
— You were out when I dropped in at your house. — Oh, I _______ for a friend from England at the airport.
A new library is being built _______ there was a playground .
.— Have you got your result of the final? — Not yet.I was told that the papers _________-.