题目内容
His mother is ______. Today is his mother’s thirtiethbirthday.
A. thirteen B. thirty C. Thirtieth
A. thirteen B. thirty C. Thirtieth
B
试题分析:句意:他的妈妈三十岁了。今天是他妈妈的三十岁生日。根据后面的Today is his mother’s thirtieth birthday.可知应该是他妈妈三十岁了;故选B。
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