根据句意填空。 1. Whose is that book? It ___________ be Liu Mei's. 2. I don't like art at all. But my sister___________ art to music. 3. ___________ are from Italy. They like to eat pizza. 4. He can't walk and he sits in a ___________ . 5. It's easy to be a

根据句意填空。

1. Whose is that book? It ___________ be Liu Mei's.

2. I don't like art at all. But my sister___________ art to music.

3. ___________ are from Italy. They like to eat pizza.

4. He can't walk and he sits in a ___________ .

5. It's easy to be angry but it's hard to ___________ .