问题
选择题
—We held a party for my grandpa’s birthday last night.
—You must have had good time.
A．eightieth; /
B．eightieth; a
C．eighty; a
D．eighty; /
答案
答案：B
题目分析：句意： ---昨天晚上我们为我的爷爷举行了八十岁生日晚会。---你一定过的很愉快。当表达多少岁生日时，应该用相应的序数词，表达第……个生日。eighty 的序数词是eightieth。have a good time 是固定短语，过得高兴玩的愉快。