21. The main purpose of the passage is to:

Answer and Explanation

Your Answer is

Correct Answer is C

Explanation

The first paragraph indicates that English dictionaries did not exist 400 years ago, but were a relatively recent invention. Paragraphs 2, 3, and 4 give an example of the need for an English dictionary. In the fifth and sixth paragraphs, it is not that there is no English dictionary at all, it is just that there is a lack of a proper dictionary. In the last paragraph, the first real dictionary came out.

Item A: Too specific.

Item B: The time appears in the text, but the events are not arranged in chronological order. For example, the second paragraph, 1692, and the last paragraph, 1604.

Item D: Too specific.