Question

Select the most appropriate option to fill in blank. I would like to know this machine works.

• A. whatever
• B. how
• C. what
• D. that

Answer 1

Answer:

B. how

• 1. Context of the Sentence: The sentence "I would like to know _______ this machine works" is asking about the process or manner in which the machine operates. 2. Why 'how' is the answer: In English, the word 'how' is used to introduce an indirect question or a clause describing the way something happens. "How this machine works" correctly refers to the mechanism or procedure of the machine.