It's reported that a plane with five people ________crashed into the mountain several days ago.
| A．on board |
| B．on the board |
| C．in board |
| D．in the board |
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It's reported that a plane with five people ________crashed into the mountain several days ago.
| A．on board |
| B．on the board |
| C．in board |
| D．in the board |
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