—Smoking is bad for your lungs and it can even cause cancer.—Oh! I think I must ______ smoking.A. get up B. give up C. grow up
—What color is the orange?—It’s _______.
—What class is Li Ming in?—She’s in _________.
—Is that _______ orange ?—Yes, it is
—Is that room _____,Jane?—No,theirs_____here.
—Would you like to climb mountains with me this Sunday?—I’d love to. But I _______ play table tennis against Class Three.