It was not _______ she took off her dark glasses _______ I realized she was a famous film star.
At present, English is the main subject _____ here.
Mother caught the boy _____ in the corner.
Is there anything you want from town? I’m going to get _____.
Asked if he could come to the party that night, _____.
The first textbooks _____ for teaching English as a foreign language came out in the 16th century.