This is        ruler and that is        eraser.

A．a, an            B．an, a           C．a, a

Look! Here’s a pencil box, it’s orange, it’s my pencil box, it’s on the desk. Look! This is a pen, it’s black. And this is an eraser, it’s blue and white. They’re both（都）in the pencil box. This is a ruler, it’s red, it’s on the pencil box. That is a ruler, too. It’s yellow. It’s in the drawer. Where’s my math book? Ah, it’s there, under the sofa.

根据短文内容，选择最佳答案。

1.The pencil box is____________.

A．yellow            B．white             C．blue              D．orange

2.The yellow ruler is____________.

A．in the school bag                        B．in the drawer

C．on the pencil box                       D．on the sofa

3.______in the pencil box.

A．A pen is                              B．An eraser is

C．A ruler and a pen are                    D．A pen and an eraser are

4.The red ruler is______.  

A．under the sofa                         B．in the pencil box

C．on the pencil box                       D．under the pencil box

5.Where is my English book?

A．Under the sofa.                         B．On the desk.

C．Sorry, I don’t know.                     D．On the sofa.