题目内容
19.-How was your weekend?-Great!It was my grandfather's _______ birthday.We enjoyed ourselves.( )
A. | seventy | B. | seventieth | C. | the seventieth | D. | seventeenth |
分析 -你周末过得怎么样啊?
-太棒了!是我爷爷的七十岁生日.我们过得很快乐.
解答 答案:B 联系上下句语境及这一部分It was my grandfather's _______ birthday.可知应是爷爷的第几个生日,所以应用序数词来修饰birthday,做它的定语;又由于其前面有形容词性物主代词my,所以不需要再加the以避免重复.结合选项只有seventieth符合句意及用法;D虽然形式对,但不合常理.故选B.
点评 要先判断好句子的结构决定是用基数词还是序数词;其次要注意细节,序数词在什么情况下无须加the,做题注意灵活,不要太死板.
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