- 试题详情及答案解析
- —Is your sister _____ now?
—Yes, she is. And her family members are preparing a party for her _____birthday next month.
A. nineteen ; twentieth
B. nineteenth ; twenty
C. nineteen ; twentieth- 答案：A
- 试题分析：句意：现在你妹妹19岁了吗？是的，她的家人打算下个月给她过她的19岁生日。表示数量用基数词，表示顺序用序数词，结合句意，故选A
考点：考查数词的用法。