Walking in the morning _______ your health.A. are good forB. is good forC. is good at
— 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.