Multiple choice

Directions: Choose the best option to fill in the gaps. Seafarers' records _____ back to 1590 _____ it possible to visuallse the behaviour of one of the planet's most mysterious phenomena: its magnetic field.

  1. dating/have made

  2. to date/would make

  3. being dated/had made

  4. to be dated/are making

  5. to have been dated/will make

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The sentence requires a participle phrase 'dating back' to modify 'records', and the verb phrase 'have made' to complete the main clause.

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