16Hit1600
Standard English ConventionsEasy–MediumCorrect past participle

Standard English Conventions practice question

The river has ____ its course twice since the map was drawn.

Which choice completes the text so that it conforms to the conventions of Standard English?

  1. A. changedCorrect
  2. B. change
  3. C. changing
  4. D. changes

Answer: A. changed

After 'has', the past participle: 'has changed'.

Why the other answers are wrong

B. change
'Has change' is not a form.
C. changing
'Has changing' is not a form.
D. changes
'Has changes' is not a form.

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