问题
仿写题，造句
| Look and write. 看图，写句子。 |
例：  This is a pen. |  These are pens. |
 1. This is . |  These are . |
 2. is an . |  . |
 3. . |  . |
答案
1. This is a marker. These are markers.
2. This is an eraser. These are erasers.
3. This is a book. These are books.