1 . Miss Li told us the earth ________ (be not) the center of the universe (宇宙).

2 . 请根据句意从方框中选择合适的动词，并用其适当形式填空，使句子通顺。

make                 not be                  dress               come            chat

1. Lee isn’t here. He with his classmates ________ happily under the tree.
2. I won’t go to the library today because it ________ open on Tuesday.
3. The little girl is only four years old, but she ________ herself every day.
4. The students ________ model planes these days for the art festival.
5. Hurry up, Sandy! Here ________ the bus.

3 . Is that your ruler? （作否定回答）
No, ________ ________.

4 . 我的弟弟年龄不够大，不能去上学。
__________________________________________

5 . —Is that his model plane? (作否定回答)
—No, ________ ________.

6 . Tom is in Class One.   (变否定句)
Tom ________ in Class One.

7 . Is Jill’s hat on the table?（补全否定答语）
No, ________ ________.

8 . 这个白色的飞机模型不是刘兵的，是她的。
The white ________ ________ ________ Liu Bing’s. It’s ________.

9 . My mother is tall. (改为否定句)
My mother ______ ______ tall.

10 . Mrs. White is like a mother to us. (改为一般疑问句，并作否定回答)
—Is Mrs. White ________ a mother to you? 
—No, she ________.