The girl ________ black hair is my sister.
There are many _______ playing on the playground.
A horse is _______ useful animal.
—Nice to meet you.—________.
—Excuse me, may I sit here? — . The girl on the seat will return soon. A. Yes, please B. I’m afraid not C. No, thanks
— Could you tell me Zhang Daqian Museum ? —The day after tomorrow, I think. A. when will you visit B. when you will visit C. when you would visit