The country .............. several economic changes in the past two decades.

Directions : Each of the following sentences in this section has a blank space and is followed by four choices. Select the <strong>MOST APPROPRIATE</strong> choice to fill in the blank.

  1. A. underwent
  2. B. had undergone
  3. C. will be undergoing
  4. D. have been undergoing

Correct Answer: A. underwent

Explanation

'Underwent' is the simple past form suitable for describing completed historical changes.

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