A.Stand up, please. | B.Please sit down. |
A.door | B.window |
A.boy | B.bird |
A.blackboard | B.door |
A.Stand up | B.Sit down |
A.to | B.by | C.down |
A.blackboard | B.door | C.to |
A.point | B.bird | C.window |
A.boy | B.girl | C.the |
A.sit | B.stand | C.down |
A.hello | B.hi | C.up |
A.name | B.window | C.bird |