辨析 plenty of ,a large amount of,a numbr of 后如何用词
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  • plenty of 后面跟名词,可数名词或不可数名词都可以.

    a great amount of 只能修饰不可数名词 ,a number of后用可数名词

    例句:

    You need plenty of time to finish the project.

    There is a great amount of snow this winter.

    A great number of students are playing with their teacher.

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