题目内容
18.---Mum,_______ of the apples ______ gone bad.----We'd better eat up them as soon as possible.( )
| A. | one third; have | B. | one thirds; have | ||
| C. | one third; has |
分析 --妈妈,三分之一的苹果都坏掉了.
--我们最好尽快的把它们吃光.
解答 答案:A.
根据语境--of the apples 可知其前应某个数,结合各个选项给出的答案可知第一空应填分数,分数的表达形式为:基数词(分子)+序数词(分母),分子大于一时分母加s,据此可排除答案B,在此基础上可知主语应为one third of the apples,为复数,故第二空应为be的复数形式are,故选A.
点评 本题考查分数的用法,分数的表达形式为:基数词(分子)+序数词(分母),分子大于一时分母加s.考生在掌握基础知识的基础上结合语境可正确作答.
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