| A．go swimming in the sea |
| B．go for a walk in a park |
| C．swing in a park |
| A．pictures; e-mail | B．pictures; report | C．report; pictures |
| A．pen | B．pencil-boxes | C．pencils |
| A．at | B．in | C．on |
| A．on | B．for | C．in |
| A．Hello, I’m Nina. |
| B．Hello, this is Nina. |
| A．What is he doing? |
| B．What are you doing? |
| A．climbing mountains |
| B．climbs mountains |
| C．climb mountains |
| A．to……in | B．/……on | C．to……on |
| A．for | B．to | C．in |
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