Question

...........of the milk was sour .( many of, all, all of)​

Answer 1

It is obviously “all”
All of the milk was sour.

Answer 2

All

Step-by-step explanation:

To find the term that best completes the sentence, insert each of the options into the sentence to determine which is appropriate.

Many of of the milk was sour.

All of the milk was sour.

All of of the milk was sour.

The second option is the best word to complete the sentence.