1. This modern object is well used in classrooms.
A. Computer B. Tape recorder C. Habacus D. Calculator 2. The professor might check days on this for schedule. A. Notebook B. Board C. Whiteboard D. Calendar. 3. A rustic object, used for math. A. Calculator B. Habacus . C. Board D. Computer 4. If we commit a mistake with a pen we need.
A. Eraser B. New paper C. Liquid paper D. Pencil
Please help me, thank you