Question

Fill in the blank with the most appropriate word.
I wish I ________ of writing the report on the computer long ago.

• A. thought
• B. think
• C. had thought
• D. have thought

Answer 1

The correct option is C had thought

Here, 'had thought' in Past Perfect Tense is correct because it is used to indicate a completed action of the past that happened before another event took place.
'Thought' in simple past is incorrect because it indicates an action that has already been completed.
'Think' in present simple is incorrect because it is used to indicate a future event on a designated date as part of a plan.
'Have thought' in present perfect is incorrect because it is used to indicate an action which started in the past and has continued up untill now.