The____________house smells as if it hasn't been lived in for years.
It is often that human beings are naturally equipped to speak.
By the time she reached the corner of the street, the footsteps _________.
As Polly observed the passengers on the train, she _______that she was being watched by a tall man in a dark coat.
Kathy ______ a lot of Japanese while working with some Japanese engineer.
— Tom was late for class this morning again. — You know, _____.