---Do you know Mark Twain?---Yes .2hHe is a great writer of America. And he ____the name Mark Twain and became famous in the _______a e1教育名师原创作品
When the teacher came into the classroom, the students ____ in groups.
In 2000, we ____ to the Great Wall and had a good time there.
Frank asked his father ____ a new bike for him and his father said OK.
—Must I go there right now, mum? —No, you ____. You can go there tomorrow.
— Do you like this shirt? — Yes, ____ I don’t like the color.