Question

Fill in the blank with the most appropriate word.
You must work hard ___ your English.

• A. on
• B. at
• C. for
• D. from
• E. by

Answer 1

The correct option is A on

Option "A" is the correct answer.

EXPLANATION:

A preposition is a word used to link nouns, pronouns , or phrases to other words within a sentence.

In the first blank, preposition "on" will be used because preposition "on" is used to indicate a reference on a particular topic. In the given sentence, the speaker is referring to his English.