---I haven’t seen my grandparents for long. I’m too busy ___ them these days.---Why not call them instead?
—Do you have a ruler?—Yes, but a short _____. A. it B. ones C. One
—What color is it?—_____. A. It’s a green apple. B. It’s orange. C. It’s an orange.
—Are those cars?—_____. They are buses. A. No, it isn’t B. Yes, they are C. No, they aren’t
—I’m in Class 3.—I’m in Class 3, too. We’re in ____ class. A. the same B. same C. a same
—Who is that?—_____ is Michael. A. He B. That C. This