Question:

Which of the following words would most appropriately complete the given sentence?
Computers are useless ______ you know how to use them.

Show Hint

'Unless' introduces a negative condition meaning 'if you do not know how to use them'.
  • Therefore
  • If
  • Unless
  • Hence
Show Solution
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The Correct Option is C

Solution and Explanation

Step 1: Understanding the Concept:
Selecting the appropriate conditional subordinating conjunction expressing negative condition.

Step 2: Detailed Explanation:

The conjunction 'unless' means 'except if' or 'if... not'.
The sentence conveys that computers provide no utility except under the condition that one possesses the knowledge to operate them ('Computers are useless unless you know how to use them').

Step 3: Final Answer:

Therefore, 'unless' is the correct conjunction.
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