A.Sit down, please. | B.Stand up, please. |
A.door | B.window |
A.boy | B.bird |
A.blackboard | B.door |
A.Stand up | B.Sit down |
A.window | B.door |
A.chair | B.fine |
A.point | B.blackboard |
A.down | B.desk |
A.bird | B.fine |
A.② door________ | B.③ chair________ | C.④ blackboard ________ | D. |
A.Sit | B.Stand |