题文
World Reading Day is April 23. It’s special day that was founded in 1995 by the UN.
| A．on; a | B．in; a |
| C．on; an | D．in; an |
World Reading Day is April 23. It’s special day that was founded in 1995 by the UN.
| A．on; a | B．in; a |
| C．on; an | D．in; an |
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