Question

dr.stephen hawking opted to study physics (choose correct infinitive)
(1) opted to study
(2)to studying
(3)to study
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Answer 1

Explanation:

(1) opted to study................

Answer 2

Answer:

Dr. Stephen hawking opted to study physics.

Explanation:

The above sentence shows that Dr Stephen had chosen physics for study.

Here we have to use the infinitive to describe this sentence.

Infinitive:

Any verb that is preceded by the word 'to' is an infinitive. Here are some examples: 'to love, to eat, to run, to believe, to follow, to laugh, to stare, to wonder.

So we will use To study i.e. To + verb in first form.

Here we should not concern about the word "opted", we have to only concern about infinitive.

So the correct sentence is

Dr. Stephen hawking opted to study physics.