—We'll go to visit Chengdu next week.
—_____
| A．It's hard to say. | B．Thank you. |
| C．How time flies! | D．Have a good trip! |
—We'll go to visit Chengdu next week.
—_____
| A．It's hard to say. | B．Thank you. |
| C．How time flies! | D．Have a good trip! |
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