—What class are they in? —They’re in_____.A. Class One, Grade SevenB. Seven Grade, One ClassC. Grade Seven, Class One
— You must keep the door _______ when you leave your room. — But I want to get the fresh air. I think I can keep the window ________ instead.
—Look at the girl! Is it Susan? —No, it __________ be her. She has gone back to her hometown.
—What a nice watch!—My grandpa gave it to me as a gift on my __________ birthday.
—I haven’t seen such beautiful sights.—_____________.
—By the way, _____________ is it from your home to the Summer Palace?—It usually takes me 30 minutes to walk there.