问题补充:
—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:
A. eightieth; /
(答案→)B. eightieth; a
C. eighty; a
D. eighty; /
解析: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。