---Is this __________ English book?
--- No, it isn’t. It’s __________ Chinese book.
| A．a, a | B．a, an | C．an, an | D．an, a |
---Is this __________ English book?
--- No, it isn’t. It’s __________ Chinese book.
| A．a, a | B．a, an | C．an, an | D．an, a |
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