Change the following sentences into plural

V. Change the following sentences into plural.

1. This couch is old                             ……………………………..……………………………………

2. That  is Lan’s school bag.                ……………………………..……………………………………

3. There is an eraser in my box.          ……………………………..……………………………………

4. the student is in the classroom        ……………………………..……………………………………

5. What is that? It’s a pen.                   ……………………………..……………………………………

6.  It is a stereo.                                   ……………………………..……………………………………