It’s cloudy. You had better ________ an umbrella.
——Must I take the medicine every day?—No, you _______.
—I looked for you in the office, but I could’t find you. —Oh, I in the library
—What’s your son’s ? —He prefers drawing.
—Is she Jane? — ________. A. Yes, I am B. Yes, he is C. No, she isn't
— ________? —I'm from Canada. A. Are you from Canada? B. Where are you from? C. Who are you?