Multiple choice

Directions: Choose the option which is grammatically correct and the best version of the underlined part.

Researchers have found a new way of capturing microwave signals and turn them into elecrical power that can be used to charge a mobile phone.

  1. Researchers have found a new way of capturing microwave signals

  2. Researchers have found that there is a new way to capture microwave signals

  3. A new way of capturing microwave signals has been found by researchers

  4. Researchers have found a new way to capture microwave signals

  5. Researchers had found a new way to capture microwave signals
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Correct; both the verbs are in the same form, to + infinitive, viz. 'to capture'.

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