Mike Miller is such a quiet student that he kept silent most of the time and ______ talked to his classmates in the school.
---When will you hand in your homework? ---Sorry, I’m not sure. I _______ writing it yet.
She ______ to an English program while her parents ______ TV
It _________about an hour to take the underground from the town to the city.
She must be a true friend. She never _______ a bad word about others.
He found _________ to sleep.