Direction: In these questions a sentence/ part of the sentence is bold. Below are given alternatives to the bold sentence/ part of the sentence at (a), (b) and (c) which may improve the sentence. Choose the correct alternatives. In case no improvement is needed, your answer is (d).
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I wish I knew what is wrong with my car.
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- I wish I had known what is wrong with my car
- I wish I know what is wrong with my car
- I wish I knew what was wrong with my car
- No improvement
Correct Option: C
As we know that ,
Here, Past Simple should be used.
I wish I were taller.
I only wish I knew !
Replace the sentence I wish I knew what is wrong with my car :-
I wish I knew what was wrong with my car.
Hence , option C is correct answer .