---Doyouknowthegirl

问题详情：

 --- Do you know the girl _____ is sitting next to Vivien?

--- Yes. She is Vivien’s friend. They are celebrating her ______ birthday.

A. who, ninth      B. that, nineth       C. /, nineth       D. which, ninth

【回答】

A

知识点：数词

题型：选择题