问题
填空题
写出所给单词的正确形式。
1. (pen)This is .
These are .
2. (desk) This is .
These are .
3. (This is) markers.
4. (These are) glue.
5. (chalks) This is .
答案
1. a pen, pens 2. a desk, desks 3. These are 4. This is 5. chalk