| A．You listened to the concert. | B．I went to the concert. |
| A．I ate delicious food. | B．You eat delicious food. |
| A．You take some pictures. | B．I took some pictures. |
| A．We’re having a picnic? |
| B．We’re going to have a picnic. |
| C．We’re going picnic. |
| A．How old were you in the photo? |
| B．How old was you in the photo? |
| C．How old did you in the photo? |
| A．That’s OK. |
| B．That’s all right. |
| C．That’s a good idea. |
| A．I’m from Chinese. |
| B．I’m from China. |
| C．I from China. |
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