THERE ARE …… IN THE BAG A. A PEN B. PENS C. THE PEN

3. - on_tap_tieng_anh_3_tu_ngay_23_den_28_thang_3
on_tap_tieng_anh_3_tu_ngay_23_den_28_thang_3
3.There are …… in the bag A. a pen B. pens C. the pen