---Lucy,howoldisyourgrandmotherthisyear?.---
来源：语文精选馆 2.34W
问题详情：
--- Lucy, how old is your grandmother this year?.
--- ______. And we are planning to have a birthday party for his ______ birthday this Saturday.
A. Ninety; ninetieth B. Ninety ; the ninetieth
C. Ninty , the ninetieth ty ; nintieth
【回答】
A
知识点：数词
题型：选择题
