Look, Sam. Here a dog.A. on B. are C. is
—How old are you? — A.I'm eight. B.I'm fine.
—What's your name? — A.I'm Chen Jie.B.I'm four years old.
Sarah想向Mr Black道别,她应该说:
看过病后,Mr Black告诉Sarah要多喝水,他应该说:
现在是早晨,Sarah去Mr Black那儿看病,她应该说: