._______ ,Is this your pen?
—I can’t stop smoking, doctor.— For your health, I’m afraid you ______.
-- What about hiking this Sunday?-- Great. I’d like with you.
Please pick up the ____. Don’t keep it on the floor.
—__________ 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.