They usually spend two hours _______ their homework every day.A. do B doing C to do
—Could you tell me ____?—It’s twenty minutes by underground.
—Remember to turn off the lights before leaving the classroom, children.—______.
—How well do you know the Opera House?—I know the place very well. I ____ Sydney many times.
—Have you finished your fashion design?—Not yet. I’ll finish it if I ________ ten more minutes.
—I feel stressed in my study from time to time. I don’t know what to do.—_________