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A fire took place in our house last night and ____were burnt

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A fire took place in our house last night and ____were burnt.
A.a half books of mine B. my half of books C.half my books D.my books of half
小女有些不明白A和C有什么区别?为什么只能选C?谢谢~
其实A和C是很容易混淆的.不过只要记住一个规则就很方便了: 如果half词组里面的冠词a an,永远都是在half之后的,而且还得是名词单数.例子:
half an apple, 半个苹果.
half apples, 一半的苹果.
half an hour, 半小时
half my books 我一半的书
这里还要补充一下:选项B,如果是half of my books. 也是对的.
英语里面用half of 是最正式的.但是现今人们总是说half my collection, .
half my watches are from Swiss.
等等,就口头了.
所以 half of my books 和half my books 都是对的.
希望帮到你,望采纳~