Multiple choice

Which of the following is the best way to deal with sentence 10?

  1. Leave it as it is

  2. Change “didn't” to “couldn't”

  3. Change “I asked questions” to “I had been asking myself questions”

  4. Delete it
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

'Fully understand', expressing esp. a shade of doubt, in the sentence provides clue for this question. Therefore, “couldn't” would be more appropriate than “didn't”. hence, (2) is the answer.

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