There is __________ “ m ” and __________ “ o ” in the word “ morning ” .
| A．a ; an | B．a ; a | C．an ; an | D．an ; a |
There is __________ “ m ” and __________ “ o ” in the word “ morning ” .
| A．a ; an | B．a ; a | C．an ; an | D．an ; a |
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