1. (2021七下·来宾月考) 根据短文内容，判断句子正误。

Look at this. It's a pencil case(铅笔盒). It's orange. It's my pencil case. What's in it? Look, this is a pen. Its black. This is a pencil. It's red. And this is a ruler. It's green. This is an eraser(橡皮擦). It's blue and white. My pencil case is big and nice. I like it.

1. （1） My pen is black.
3. （2） This is an orange pencil case.
5. （3） There is a pen, a pencil, a ruler, and an eraser in it.
7. （4） My eraser is blue and black.
9. （5） My ruler is red.