It ________ me half an hour ________ to work every day last month.
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.
Mike lost his key. ______ couldn’t enter the room.