---How long has the meeting _______? --- Just a minute. I will check the time.
— Have ______ cup of coffee, please. — Thank you.
John ______ leave for New York tomorrow, but I’m not sure.
Be careful with the knife, ______ you’ll be hurt.
— ______ do you go to the gym? — Twice a week
— Where is Jenny? — She is doing her homework ______ the classroom.