Question

there are as 什么as three apples

Answer 1

应该填：many
there are as many as three apples.
as many as是固定搭配，修饰可数的名词复数。

举例分析：
In fact it cost me as much as 100 dollars.
事实上，它整整花了我100美元。
We walked as much as 50 miles that day.
那天我们整整走了50英里。
如上例所示，as much as 用于表示具体的数量时，其后接的可能是可数名词，但由于它们意义上仍然为不可数，故用 as much as，不用 as many as。如 100 dollars，尽管其中的 dollars 为可数名词的复数形式，由于 100 dollars 仍是一个不可数的概念，仍是不可数的。但是下面这句是错的：I read as much as 100 articles today. 因为这里的 100 articles 表示的是可数概念，故应改为：I read as many as 100 articles.

Answer 2

1. there are as many as three apples.

2. as many as是固定搭配，修饰可数的名词复数。

3. as much as 修饰不可数名词。

Answer 3

你好，很高兴在这里回答你的问题：
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there are as manny as three apples