beef do we need to buy?A. How manyB. HowC. WhatD. How much

问题补充：

beef do we need to buy?

A. How many

B. How

C. What

D. How much

答案：

A. How many

B. How

C. What

(答案→)D. How much

解析：本题考查询问不可数名词的量。本题的含义为我们需要多少牛肉？how many后跟可数名词复数形式，how是如何怎么样的含义，what是什么的含义，都不符合题意，how much修饰不可数名词，询问数量，beef为不可数名词牛肉的含义，故本题选D。