Hello! ^^ Thank you for submitting your homework today. Kindly take note of the corrections that I made. Thank you! ^^

There is a desk in the room. -Correct

There is a computer on the desk. -Correct

There is a garbage can under the desk. -Correct

Bella: Theren is a printer next to the computer.
Correct: There is a printer next to the computer.

There is a keyboard in front of the computer. -Correct

There is a small chair behind the printer. -Correct