... Unit : At School Period 11: My School ( C , 3, ) I Vocabulary: Unit : At School Period 11: C , matching 1, a door : 2, 3, 4, 5, 6, 7, 8, 9, a window : a board : a clock : a waste basket : a school ... is this ? It s a desk 2. that | clock What is that ? It s a clock this | ruler What is this ? It s a ruler that | eraser What is that ? It s an eraser/ this | door What is this ? It s a door ... tẩy i, giỏ rác Unit : At School Period 11: C ,3 ,4 I II Dialogue Linh: Ha : Linh: Ha : : What is this ? Its a ruler What is that ? Its an eraser * Form: (?) What + is + this/that ? (+) Its +...