问题
选择题
| There are __________ units in Book Ⅲ. The __________ unit is the most interesting. |
A. nineteen; ninth B. ninteen; ninth C. nineteen; nineth D. ninteen; nineth |
答案
答案：A
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| There are __________ units in Book Ⅲ. The __________ unit is the most interesting. |
A. nineteen; ninth B. ninteen; ninth C. nineteen; nineth D. ninteen; nineth |
答案：A