Where would you put an eraser if you are at home and need to go to class?\nOptions:\n- office supply store\n- desk drawer\n- schools\n- under the arm\n- pencil box
A step-by-step solution is:
pencil box
An eraser is to be put in pencil box if you are at home.

You need to take pencil box when you go to class.

.

So, the answer is pencil box