As we know, ________ is good exercise and it is necessary for health.A. walk B. walks C. walking
—__________ is it to your hometown from here? — Well, it takes over three hours to get there by coach.
The doctor had to work for ___after twelve o'clock.
— Could you please tell me? —Tomorrow morning.
-How far is it from your home to school? -It’s only _______________.
— Betty, you don’t look well. What's wrong? —I have a fever. — ______. You'd better go to see a doctor.